/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:15:23,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:15:23,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:15:23,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:15:23,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:15:23,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:15:23,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:15:23,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:15:23,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:15:23,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:15:23,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:15:23,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:15:23,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:15:23,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:15:23,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:15:23,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:15:23,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:15:23,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:15:23,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:15:23,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:15:23,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:15:23,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:15:23,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:15:23,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:15:23,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:15:23,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:15:23,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:15:23,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:15:23,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:15:23,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:15:23,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:15:23,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:15:23,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:15:23,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:15:23,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:15:23,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:15:23,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:15:23,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:15:23,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:15:23,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:15:23,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:15:23,253 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:15:23,300 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:15:23,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:15:23,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:15:23,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:15:23,302 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:15:23,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:15:23,303 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:15:23,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:15:23,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:15:23,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:15:23,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:15:23,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:15:23,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:15:23,306 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:15:23,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:15:23,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:15:23,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:15:23,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:15:23,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:15:23,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:15:23,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:15:23,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:23,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:15:23,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:15:23,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:15:23,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:15:23,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:15:23,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:15:23,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:15:23,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:15:23,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:15:23,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:15:23,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:15:23,777 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:15:23,777 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:15:23,778 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2020-09-21 11:15:23,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0fa0f984e/03e7fb447ff04931acc90808c69fa2d5/FLAG5573eafd3 [2020-09-21 11:15:24,442 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:24,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2020-09-21 11:15:24,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0fa0f984e/03e7fb447ff04931acc90808c69fa2d5/FLAG5573eafd3 [2020-09-21 11:15:24,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0fa0f984e/03e7fb447ff04931acc90808c69fa2d5 [2020-09-21 11:15:24,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:15:24,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:15:24,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:24,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:15:24,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:15:24,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:24" (1/1) ... [2020-09-21 11:15:24,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78532141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:24, skipping insertion in model container [2020-09-21 11:15:24,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:24" (1/1) ... [2020-09-21 11:15:24,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:15:24,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:15:25,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:25,255 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:25,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:25,483 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:25,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:25 WrapperNode [2020-09-21 11:15:25,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:25,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:25,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:25,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:25,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:25" (1/1) ... [2020-09-21 11:15:25,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:25" (1/1) ... [2020-09-21 11:15:25,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:25" (1/1) ... [2020-09-21 11:15:25,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:25" (1/1) ... [2020-09-21 11:15:25,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:25" (1/1) ... [2020-09-21 11:15:25,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:25" (1/1) ... [2020-09-21 11:15:25,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:25" (1/1) ... [2020-09-21 11:15:25,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:25,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:25,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:25,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:25,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:15:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:15:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:15:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:25,731 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:25,731 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:15:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:15:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:15:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:15:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:15:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:15:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:15:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:15:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:15:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:15:26,846 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:15:26,846 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:15:26,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:26 BoogieIcfgContainer [2020-09-21 11:15:26,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:15:26,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:15:26,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:15:26,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:15:26,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:15:24" (1/3) ... [2020-09-21 11:15:26,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e03ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:26, skipping insertion in model container [2020-09-21 11:15:26,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:25" (2/3) ... [2020-09-21 11:15:26,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e03ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:26, skipping insertion in model container [2020-09-21 11:15:26,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:26" (3/3) ... [2020-09-21 11:15:26,868 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2020-09-21 11:15:26,881 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:15:26,891 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:15:26,912 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:15:26,940 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:15:26,940 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:15:26,940 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:15:26,940 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:15:26,940 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:15:26,941 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:15:26,941 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:15:26,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:15:26,969 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-09-21 11:15:26,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:15:26,983 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:26,984 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:26,985 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:26,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:26,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1996621703, now seen corresponding path program 1 times [2020-09-21 11:15:27,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:27,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977022458] [2020-09-21 11:15:27,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:15:27,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:15:27,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:27,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:15:27,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:27,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:27,852 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:27,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:27,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:27,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:27,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:27,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:28,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:28,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:28,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:28,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:28,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:28,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:28,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:28,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:28,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:28,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:28,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:28,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:28,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:28,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:28,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:28,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:28,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:28,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:28,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:28,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:28,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:28,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:28,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:28,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:28,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:28,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:28,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:28,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:28,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:28,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:28,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:28,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:28,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:28,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:28,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:28,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:28,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:28,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:28,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:28,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:28,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:28,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:28,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:28,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:28,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:28,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:28,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:28,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:28,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:28,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:28,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:28,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:28,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:28,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:28,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:15:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:28,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:28,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:28,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:28,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:28,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:28,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:28,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:28,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:28,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:28,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:28,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:28,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:28,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:28,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:28,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:28,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:28,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:28,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:28,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:28,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:28,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:28,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:28,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:28,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:15:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:28,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:28,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:28,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:28,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:28,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:28,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:28,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:28,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-21 11:15:28,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:28,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:28,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:28,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:28,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:28,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:28,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:28,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:28,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:28,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:28,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:28,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977022458] [2020-09-21 11:15:28,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:28,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:15:28,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168252131] [2020-09-21 11:15:28,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:15:28,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:28,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:15:28,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:28,228 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-09-21 11:15:29,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:29,431 INFO L93 Difference]: Finished difference Result 316 states and 408 transitions. [2020-09-21 11:15:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:15:29,434 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:15:29,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:29,457 INFO L225 Difference]: With dead ends: 316 [2020-09-21 11:15:29,458 INFO L226 Difference]: Without dead ends: 175 [2020-09-21 11:15:29,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-21 11:15:29,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 142. [2020-09-21 11:15:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-09-21 11:15:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-09-21 11:15:29,617 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2020-09-21 11:15:29,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:29,619 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-09-21 11:15:29,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:15:29,620 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-09-21 11:15:29,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:15:29,637 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:29,637 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:29,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:15:29,638 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:29,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:29,638 INFO L82 PathProgramCache]: Analyzing trace with hash -2025451369, now seen corresponding path program 1 times [2020-09-21 11:15:29,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:29,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827143695] [2020-09-21 11:15:29,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:29,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:29,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:29,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:29,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:29,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:15:29,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:29,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:15:29,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:29,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:15:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:29,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:30,130 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:30,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:30,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:30,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:30,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:30,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:30,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:30,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:30,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:30,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:30,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:15:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:30,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:30,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:30,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:15:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:30,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:15:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:30,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:30,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:30,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827143695] [2020-09-21 11:15:30,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:30,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:30,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233917414] [2020-09-21 11:15:30,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:30,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:30,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:30,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:30,255 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 5 states. [2020-09-21 11:15:30,719 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:31,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:31,826 INFO L93 Difference]: Finished difference Result 251 states and 308 transitions. [2020-09-21 11:15:31,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:31,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:15:31,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:31,831 INFO L225 Difference]: With dead ends: 251 [2020-09-21 11:15:31,832 INFO L226 Difference]: Without dead ends: 165 [2020-09-21 11:15:31,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:31,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-09-21 11:15:31,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 133. [2020-09-21 11:15:31,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-09-21 11:15:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2020-09-21 11:15:31,867 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 60 [2020-09-21 11:15:31,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:31,867 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2020-09-21 11:15:31,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:31,867 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2020-09-21 11:15:31,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:15:31,869 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:31,870 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:31,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:15:31,870 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:31,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:31,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1933806074, now seen corresponding path program 1 times [2020-09-21 11:15:31,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:31,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268779242] [2020-09-21 11:15:31,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:15:32,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:15:32,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-09-21 11:15:32,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:15:32,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:32,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:15:32,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,726 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:32,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:15:32,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:32,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:32,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:32,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:32,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:32,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:32,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:32,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:32,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:32,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:32,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:32,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:32,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:32,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:32,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:15:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:32,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:32,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:32,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:15:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:32,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268779242] [2020-09-21 11:15:32,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:32,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:32,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170550166] [2020-09-21 11:15:32,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:32,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:32,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:32,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:32,913 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 5 states. [2020-09-21 11:15:33,241 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:35,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:35,099 INFO L93 Difference]: Finished difference Result 383 states and 473 transitions. [2020-09-21 11:15:35,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:35,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:15:35,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:35,105 INFO L225 Difference]: With dead ends: 383 [2020-09-21 11:15:35,106 INFO L226 Difference]: Without dead ends: 278 [2020-09-21 11:15:35,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:35,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-09-21 11:15:35,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 228. [2020-09-21 11:15:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-09-21 11:15:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 273 transitions. [2020-09-21 11:15:35,176 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 273 transitions. Word has length 65 [2020-09-21 11:15:35,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:35,177 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 273 transitions. [2020-09-21 11:15:35,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 273 transitions. [2020-09-21 11:15:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:15:35,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:35,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:35,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:15:35,180 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:35,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:35,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1344773583, now seen corresponding path program 1 times [2020-09-21 11:15:35,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:35,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1048328065] [2020-09-21 11:15:35,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:35,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:35,638 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:35,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:35,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:35,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:15:35,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:35,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-09-21 11:15:35,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:35,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:15:35,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:35,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:15:35,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:36,052 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:36,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:36,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:15:36,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:36,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:36,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:36,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:36,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:36,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:36,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:36,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:36,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:36,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:36,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:36,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:36,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:36,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 66 [2020-09-21 11:15:36,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:36,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:36,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:36,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:36,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:36,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:36,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:36,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:36,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:15:36,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:36,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:36,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:36,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:15:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:36,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:36,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:36,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:36,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:36,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:36,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:36,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:36,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:36,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:15:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:36,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:36,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:36,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:36,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:15:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:36,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:36,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:36,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:15:36,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1048328065] [2020-09-21 11:15:36,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:36,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:15:36,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002945282] [2020-09-21 11:15:36,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:15:36,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:36,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:15:36,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:15:36,409 INFO L87 Difference]: Start difference. First operand 228 states and 273 transitions. Second operand 9 states. [2020-09-21 11:15:36,864 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:37,680 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:38,550 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:38,867 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:39,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:39,014 INFO L93 Difference]: Finished difference Result 398 states and 518 transitions. [2020-09-21 11:15:39,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:15:39,018 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 11:15:39,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:39,019 INFO L225 Difference]: With dead ends: 398 [2020-09-21 11:15:39,019 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:15:39,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:15:39,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:15:39,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:15:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:15:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:15:39,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2020-09-21 11:15:39,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:39,024 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:15:39,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:15:39,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:15:39,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:15:39,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:15:39,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:15:39,238 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:39,410 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:39,575 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:39,744 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:39,910 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:40,077 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:40,236 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:40,406 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:40,563 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:40,724 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:40,883 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:15:41,064 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:41,229 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:41,389 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:41,560 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:41,930 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:42,279 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:42,636 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:42,976 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:43,129 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:43,279 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:43,441 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:43,593 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:43,742 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:43,897 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,051 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,204 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,357 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,510 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,658 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:44,815 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,967 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:45,116 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:45,269 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:45,419 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:45,572 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:45,726 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:45,878 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:46,030 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:46,184 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:46,332 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:46,480 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:46,634 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:46,791 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:46,946 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:47,099 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:47,252 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:47,400 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:47,504 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 6 [2020-09-21 11:15:47,652 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:47,805 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:47,958 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:48,111 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:48,268 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:48,370 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-21 11:15:48,535 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:48,694 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:48,797 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-21 11:15:48,950 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:49,120 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:49,384 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:49,536 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:49,694 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:49,846 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:49,998 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:50,150 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:50,303 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:50,409 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 6 [2020-09-21 11:15:50,821 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 11:15:51,049 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:51,269 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:51,688 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 11:15:52,097 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 11:15:52,392 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:52,611 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:52,849 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:53,072 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 11:15:53,362 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:53,794 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 11:15:54,238 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 11:15:54,455 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:54,678 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:55,082 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:55,295 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:55,693 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:55,874 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:56,258 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:56,471 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:56,723 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:56,938 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:57,171 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:57,417 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:57,629 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:58,094 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-21 11:15:58,116 INFO L268 CegarLoopResult]: For program point L638(lines 638 642) no Hoare annotation was computed. [2020-09-21 11:15:58,116 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 642) no Hoare annotation was computed. [2020-09-21 11:15:58,116 INFO L268 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2020-09-21 11:15:58,116 INFO L268 CegarLoopResult]: For program point L632-2(lines 632 653) no Hoare annotation was computed. [2020-09-21 11:15:58,117 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 607 662) no Hoare annotation was computed. [2020-09-21 11:15:58,117 INFO L268 CegarLoopResult]: For program point L654(lines 631 655) no Hoare annotation was computed. [2020-09-21 11:15:58,117 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 607 662) no Hoare annotation was computed. [2020-09-21 11:15:58,117 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 607 662) no Hoare annotation was computed. [2020-09-21 11:15:58,117 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-09-21 11:15:58,118 INFO L268 CegarLoopResult]: For program point L695-1(lines 695 699) no Hoare annotation was computed. [2020-09-21 11:15:58,118 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 663 722) no Hoare annotation was computed. [2020-09-21 11:15:58,118 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-09-21 11:15:58,118 INFO L268 CegarLoopResult]: For program point L689-2(lines 689 714) no Hoare annotation was computed. [2020-09-21 11:15:58,118 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 663 722) no Hoare annotation was computed. [2020-09-21 11:15:58,118 INFO L268 CegarLoopResult]: For program point L715(lines 688 716) no Hoare annotation was computed. [2020-09-21 11:15:58,118 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 663 722) no Hoare annotation was computed. [2020-09-21 11:15:58,118 INFO L268 CegarLoopResult]: For program point L708(line 708) no Hoare annotation was computed. [2020-09-21 11:15:58,118 INFO L268 CegarLoopResult]: For program point L708-1(line 708) no Hoare annotation was computed. [2020-09-21 11:15:58,119 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 258 264) the Hoare annotation is: true [2020-09-21 11:15:58,119 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 258 264) no Hoare annotation was computed. [2020-09-21 11:15:58,119 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 265 273) no Hoare annotation was computed. [2020-09-21 11:15:58,119 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 265 273) the Hoare annotation is: true [2020-09-21 11:15:58,119 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 265 273) no Hoare annotation was computed. [2020-09-21 11:15:58,119 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 923 930) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:58,120 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 923 930) no Hoare annotation was computed. [2020-09-21 11:15:58,120 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 923 930) no Hoare annotation was computed. [2020-09-21 11:15:58,120 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 931 940) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 11:15:58,120 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 931 940) no Hoare annotation was computed. [2020-09-21 11:15:58,120 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-09-21 11:15:58,120 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 931 940) no Hoare annotation was computed. [2020-09-21 11:15:58,121 INFO L264 CegarLoopResult]: At program point L956(line 956) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:15:58,121 INFO L268 CegarLoopResult]: For program point L954(lines 954 960) no Hoare annotation was computed. [2020-09-21 11:15:58,121 INFO L268 CegarLoopResult]: For program point L953(lines 953 963) no Hoare annotation was computed. [2020-09-21 11:15:58,121 INFO L271 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: true [2020-09-21 11:15:58,121 INFO L268 CegarLoopResult]: For program point L951-1(line 951) no Hoare annotation was computed. [2020-09-21 11:15:58,121 INFO L268 CegarLoopResult]: For program point L949(lines 949 966) no Hoare annotation was computed. [2020-09-21 11:15:58,121 INFO L268 CegarLoopResult]: For program point L949-1(lines 941 969) no Hoare annotation was computed. [2020-09-21 11:15:58,121 INFO L271 CegarLoopResult]: At program point L947(line 947) the Hoare annotation is: true [2020-09-21 11:15:58,122 INFO L268 CegarLoopResult]: For program point L947-1(line 947) no Hoare annotation was computed. [2020-09-21 11:15:58,122 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 941 969) the Hoare annotation is: true [2020-09-21 11:15:58,122 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 941 969) no Hoare annotation was computed. [2020-09-21 11:15:58,122 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,122 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,123 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,123 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,123 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-09-21 11:15:58,123 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-09-21 11:15:58,123 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,124 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,124 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-09-21 11:15:58,124 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-09-21 11:15:58,124 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:15:58,124 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:15:58,124 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 11:15:58,124 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:15:58,124 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 11:15:58,125 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:15:58,125 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:15:58,125 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 11:15:58,125 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 11:15:58,125 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:15:58,125 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 11:15:58,125 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 11:15:58,125 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:15:58,126 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 11:15:58,126 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 11:15:58,126 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:15:58,126 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 11:15:58,126 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 11:15:58,126 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 462 476) no Hoare annotation was computed. [2020-09-21 11:15:58,126 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 462 476) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:15:58,127 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 462 476) no Hoare annotation was computed. [2020-09-21 11:15:58,127 INFO L264 CegarLoopResult]: At program point L468(line 468) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:15:58,127 INFO L268 CegarLoopResult]: For program point L466(lines 466 472) no Hoare annotation was computed. [2020-09-21 11:15:58,127 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2020-09-21 11:15:58,127 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2020-09-21 11:15:58,127 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2020-09-21 11:15:58,127 INFO L268 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-09-21 11:15:58,127 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2020-09-21 11:15:58,127 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2020-09-21 11:15:58,127 INFO L268 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-09-21 11:15:58,127 INFO L271 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: true [2020-09-21 11:15:58,128 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2020-09-21 11:15:58,128 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2020-09-21 11:15:58,128 INFO L268 CegarLoopResult]: For program point L414(lines 414 422) no Hoare annotation was computed. [2020-09-21 11:15:58,128 INFO L268 CegarLoopResult]: For program point L414-2(lines 414 422) no Hoare annotation was computed. [2020-09-21 11:15:58,128 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-21 11:15:58,128 INFO L268 CegarLoopResult]: For program point L437-1(line 437) no Hoare annotation was computed. [2020-09-21 11:15:58,128 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 407 442) no Hoare annotation was computed. [2020-09-21 11:15:58,128 INFO L268 CegarLoopResult]: For program point L426(lines 426 434) no Hoare annotation was computed. [2020-09-21 11:15:58,128 INFO L268 CegarLoopResult]: For program point L426-2(lines 426 434) no Hoare annotation was computed. [2020-09-21 11:15:58,128 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 407 442) no Hoare annotation was computed. [2020-09-21 11:15:58,128 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 407 442) no Hoare annotation was computed. [2020-09-21 11:15:58,129 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 251 257) no Hoare annotation was computed. [2020-09-21 11:15:58,129 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 251 257) the Hoare annotation is: true [2020-09-21 11:15:58,129 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 561 606) no Hoare annotation was computed. [2020-09-21 11:15:58,129 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 561 606) no Hoare annotation was computed. [2020-09-21 11:15:58,129 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 561 606) no Hoare annotation was computed. [2020-09-21 11:15:58,129 INFO L268 CegarLoopResult]: For program point L894(lines 894 901) no Hoare annotation was computed. [2020-09-21 11:15:58,129 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 874 919) no Hoare annotation was computed. [2020-09-21 11:15:58,129 INFO L268 CegarLoopResult]: For program point L888(lines 888 908) no Hoare annotation was computed. [2020-09-21 11:15:58,130 INFO L268 CegarLoopResult]: For program point L888-1(lines 888 908) no Hoare annotation was computed. [2020-09-21 11:15:58,130 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 874 919) no Hoare annotation was computed. [2020-09-21 11:15:58,130 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 874 919) no Hoare annotation was computed. [2020-09-21 11:15:58,130 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,130 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,130 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-09-21 11:15:58,130 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-09-21 11:15:58,130 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2020-09-21 11:15:58,130 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2020-09-21 11:15:58,130 INFO L271 CegarLoopResult]: At program point L392(line 392) the Hoare annotation is: true [2020-09-21 11:15:58,130 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-09-21 11:15:58,131 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2020-09-21 11:15:58,131 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: true [2020-09-21 11:15:58,131 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2020-09-21 11:15:58,131 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2020-09-21 11:15:58,131 INFO L264 CegarLoopResult]: At program point L352(line 352) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:15:58,131 INFO L268 CegarLoopResult]: For program point L352-1(line 352) no Hoare annotation was computed. [2020-09-21 11:15:58,131 INFO L268 CegarLoopResult]: For program point L350(lines 350 367) no Hoare annotation was computed. [2020-09-21 11:15:58,131 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2020-09-21 11:15:58,131 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,132 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,132 INFO L268 CegarLoopResult]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2020-09-21 11:15:58,132 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:15:58,132 INFO L264 CegarLoopResult]: At program point L356(line 356) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:15:58,132 INFO L268 CegarLoopResult]: For program point L354(lines 354 362) no Hoare annotation was computed. [2020-09-21 11:15:58,132 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 312 318) no Hoare annotation was computed. [2020-09-21 11:15:58,132 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 312 318) the Hoare annotation is: true [2020-09-21 11:15:58,132 INFO L264 CegarLoopResult]: At program point testENTRY(lines 486 553) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,133 INFO L264 CegarLoopResult]: At program point L543(lines 496 545) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:58,133 INFO L264 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:58,133 INFO L268 CegarLoopResult]: For program point L506(lines 506 512) no Hoare annotation was computed. [2020-09-21 11:15:58,133 INFO L268 CegarLoopResult]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2020-09-21 11:15:58,133 INFO L268 CegarLoopResult]: For program point testFINAL(lines 486 553) no Hoare annotation was computed. [2020-09-21 11:15:58,133 INFO L268 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-09-21 11:15:58,133 INFO L264 CegarLoopResult]: At program point L546(lines 495 547) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,134 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:58,134 INFO L268 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-09-21 11:15:58,134 INFO L264 CegarLoopResult]: At program point L534-1(lines 526 541) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:58,134 INFO L268 CegarLoopResult]: For program point L497(lines 496 545) no Hoare annotation was computed. [2020-09-21 11:15:58,134 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:58,134 INFO L268 CegarLoopResult]: For program point L526(lines 526 541) no Hoare annotation was computed. [2020-09-21 11:15:58,134 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:58,134 INFO L268 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-09-21 11:15:58,135 INFO L268 CegarLoopResult]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2020-09-21 11:15:58,135 INFO L268 CegarLoopResult]: For program point testEXIT(lines 486 553) no Hoare annotation was computed. [2020-09-21 11:15:58,135 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 828 873) no Hoare annotation was computed. [2020-09-21 11:15:58,135 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 828 873) no Hoare annotation was computed. [2020-09-21 11:15:58,135 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 828 873) no Hoare annotation was computed. [2020-09-21 11:15:58,135 INFO L268 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-09-21 11:15:58,135 INFO L268 CegarLoopResult]: For program point L842(lines 842 862) no Hoare annotation was computed. [2020-09-21 11:15:58,135 INFO L268 CegarLoopResult]: For program point L842-1(lines 842 862) no Hoare annotation was computed. [2020-09-21 11:15:58,135 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 230 238) no Hoare annotation was computed. [2020-09-21 11:15:58,136 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 230 238) the Hoare annotation is: true [2020-09-21 11:15:58,136 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 230 238) no Hoare annotation was computed. [2020-09-21 11:15:58,136 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-09-21 11:15:58,136 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-09-21 11:15:58,136 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 198 220) no Hoare annotation was computed. [2020-09-21 11:15:58,136 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 198 220) no Hoare annotation was computed. [2020-09-21 11:15:58,136 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 198 220) no Hoare annotation was computed. [2020-09-21 11:15:58,136 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 241 250) no Hoare annotation was computed. [2020-09-21 11:15:58,136 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 241 250) no Hoare annotation was computed. [2020-09-21 11:15:58,137 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 241 250) no Hoare annotation was computed. [2020-09-21 11:15:58,137 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 725 827) no Hoare annotation was computed. [2020-09-21 11:15:58,137 INFO L268 CegarLoopResult]: For program point L795(lines 773 796) no Hoare annotation was computed. [2020-09-21 11:15:58,137 INFO L268 CegarLoopResult]: For program point L754(lines 754 770) no Hoare annotation was computed. [2020-09-21 11:15:58,137 INFO L268 CegarLoopResult]: For program point L814(lines 814 821) no Hoare annotation was computed. [2020-09-21 11:15:58,137 INFO L268 CegarLoopResult]: For program point L775(lines 774 794) no Hoare annotation was computed. [2020-09-21 11:15:58,137 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-09-21 11:15:58,138 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 725 827) no Hoare annotation was computed. [2020-09-21 11:15:58,138 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-09-21 11:15:58,138 INFO L268 CegarLoopResult]: For program point L771(lines 771 812) no Hoare annotation was computed. [2020-09-21 11:15:58,138 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-09-21 11:15:58,138 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-09-21 11:15:58,138 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 725 827) no Hoare annotation was computed. [2020-09-21 11:15:58,138 INFO L268 CegarLoopResult]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-09-21 11:15:58,138 INFO L268 CegarLoopResult]: For program point L813(lines 813 824) no Hoare annotation was computed. [2020-09-21 11:15:58,139 INFO L268 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-09-21 11:15:58,139 INFO L268 CegarLoopResult]: For program point L774-2(lines 774 794) no Hoare annotation was computed. [2020-09-21 11:15:58,139 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:58,139 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:15:58,139 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:58,139 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 371 378) no Hoare annotation was computed. [2020-09-21 11:15:58,139 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 371 378) no Hoare annotation was computed. [2020-09-21 11:15:58,139 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 371 378) no Hoare annotation was computed. [2020-09-21 11:15:58,139 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 221 229) the Hoare annotation is: true [2020-09-21 11:15:58,139 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 221 229) no Hoare annotation was computed. [2020-09-21 11:15:58,140 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 221 229) no Hoare annotation was computed. [2020-09-21 11:15:58,140 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 177 188) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:15:58,140 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 177 188) no Hoare annotation was computed. [2020-09-21 11:15:58,140 INFO L268 CegarLoopResult]: For program point L181-1(lines 177 188) no Hoare annotation was computed. [2020-09-21 11:15:58,140 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:58,140 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:15:58,140 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:58,140 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 285 311) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,140 INFO L264 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 11:15:58,141 INFO L264 CegarLoopResult]: At program point L299(lines 299 305) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 11:15:58,141 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 285 311) no Hoare annotation was computed. [2020-09-21 11:15:58,141 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 285 311) no Hoare annotation was computed. [2020-09-21 11:15:58,141 INFO L264 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:15:58,141 INFO L268 CegarLoopResult]: For program point L292(lines 288 310) no Hoare annotation was computed. [2020-09-21 11:15:58,141 INFO L268 CegarLoopResult]: For program point L290(lines 288 310) no Hoare annotation was computed. [2020-09-21 11:15:58,141 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 11:15:58,142 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 11:15:58,142 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 11:15:58,142 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 11:15:58,142 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 11:15:58,142 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 11:15:58,142 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 11:15:58,142 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 11:15:58,142 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 11:15:58,142 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 11:15:58,142 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 189 197) the Hoare annotation is: true [2020-09-21 11:15:58,142 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 189 197) no Hoare annotation was computed. [2020-09-21 11:15:58,143 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 189 197) no Hoare annotation was computed. [2020-09-21 11:15:58,143 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 153 164) the Hoare annotation is: true [2020-09-21 11:15:58,143 INFO L268 CegarLoopResult]: For program point L157-1(lines 153 164) no Hoare annotation was computed. [2020-09-21 11:15:58,143 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 153 164) no Hoare annotation was computed. [2020-09-21 11:15:58,143 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 11:15:58,143 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 11:15:58,143 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:58,144 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:15:58,144 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:15:58,144 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:58,144 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 477 484) no Hoare annotation was computed. [2020-09-21 11:15:58,144 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 477 484) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:58,144 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 477 484) no Hoare annotation was computed. [2020-09-21 11:15:58,144 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 165 176) no Hoare annotation was computed. [2020-09-21 11:15:58,144 INFO L268 CegarLoopResult]: For program point L169-1(lines 165 176) no Hoare annotation was computed. [2020-09-21 11:15:58,144 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 165 176) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:58,144 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 971 978) no Hoare annotation was computed. [2020-09-21 11:15:58,145 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2020-09-21 11:15:58,145 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 971 978) the Hoare annotation is: true [2020-09-21 11:15:58,145 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 971 978) no Hoare annotation was computed. [2020-09-21 11:15:58,145 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 320 344) no Hoare annotation was computed. [2020-09-21 11:15:58,145 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 320 344) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,145 INFO L264 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:58,145 INFO L268 CegarLoopResult]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2020-09-21 11:15:58,145 INFO L264 CegarLoopResult]: At program point L334(line 334) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:15:58,145 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:15:58,145 INFO L268 CegarLoopResult]: For program point L328(lines 328 336) no Hoare annotation was computed. [2020-09-21 11:15:58,145 INFO L264 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:15:58,145 INFO L268 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-09-21 11:15:58,145 INFO L268 CegarLoopResult]: For program point L324(lines 324 341) no Hoare annotation was computed. [2020-09-21 11:15:58,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:15:58 BoogieIcfgContainer [2020-09-21 11:15:58,171 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:15:58,173 INFO L168 Benchmark]: Toolchain (without parser) took 33449.60 ms. Allocated memory was 138.4 MB in the beginning and 622.9 MB in the end (delta: 484.4 MB). Free memory was 101.1 MB in the beginning and 561.9 MB in the end (delta: -460.8 MB). Peak memory consumption was 459.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:58,174 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:15:58,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.70 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 170.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:58,176 INFO L168 Benchmark]: Boogie Preprocessor took 127.11 ms. Allocated memory is still 201.3 MB. Free memory was 170.3 MB in the beginning and 166.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:58,177 INFO L168 Benchmark]: RCFGBuilder took 1238.99 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 196.1 MB in the end (delta: -30.1 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:58,178 INFO L168 Benchmark]: TraceAbstraction took 31312.75 ms. Allocated memory was 232.8 MB in the beginning and 622.9 MB in the end (delta: 390.1 MB). Free memory was 196.1 MB in the beginning and 561.9 MB in the end (delta: -365.8 MB). Peak memory consumption was 460.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:58,182 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.70 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 170.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.11 ms. Allocated memory is still 201.3 MB. Free memory was 170.3 MB in the beginning and 166.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1238.99 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 196.1 MB in the end (delta: -30.1 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31312.75 ms. Allocated memory was 232.8 MB in the beginning and 622.9 MB in the end (delta: 390.1 MB). Free memory was 196.1 MB in the beginning and 561.9 MB in the end (delta: -365.8 MB). Peak memory consumption was 460.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 975]: 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: 496]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 480 SDtfs, 579 SDslu, 289 SDs, 0 SdLazy, 1106 SolverSat, 405 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 115 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 352 PreInvPairs, 396 NumberOfFragments, 695 HoareAnnotationTreeSize, 352 FomulaSimplifications, 22371 FormulaSimplificationTreeSizeReduction, 11.3s HoareSimplificationTime, 65 FomulaSimplificationsInter, 8634 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 72966 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...