/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:12:04,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:12:04,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:12:04,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:12:04,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:12:04,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:12:04,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:12:04,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:12:04,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:12:04,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:12:04,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:12:04,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:12:04,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:12:04,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:12:04,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:12:04,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:12:04,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:12:04,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:12:04,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:12:04,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:12:04,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:12:04,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:12:04,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:12:04,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:12:04,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:12:04,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:12:04,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:12:04,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:12:04,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:12:04,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:12:04,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:12:04,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:12:04,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:12:04,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:12:04,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:12:04,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:12:04,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:12:04,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:12:04,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:12:04,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:12:04,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:12:04,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:12:04,662 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:12:04,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:12:04,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:12:04,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:12:04,664 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:12:04,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:12:04,665 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:12:04,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:12:04,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:12:04,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:12:04,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:12:04,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:12:04,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:12:04,667 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:12:04,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:12:04,667 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:12:04,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:12:04,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:12:04,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:12:04,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:12:04,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:12:04,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:12:04,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:12:04,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:12:04,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:12:04,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:12:04,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:12:04,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:12:04,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:12:04,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:12:05,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:12:05,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:12:05,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:12:05,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:12:05,147 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:12:05,148 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2020-09-21 11:12:05,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd683b4b2/6882036570874f0488cae6551cdb703b/FLAGe452f54d2 [2020-09-21 11:12:05,807 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:12:05,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2020-09-21 11:12:05,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd683b4b2/6882036570874f0488cae6551cdb703b/FLAGe452f54d2 [2020-09-21 11:12:06,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd683b4b2/6882036570874f0488cae6551cdb703b [2020-09-21 11:12:06,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:12:06,081 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:12:06,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:12:06,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:12:06,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:12:06,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:12:06" (1/1) ... [2020-09-21 11:12:06,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6665a633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:06, skipping insertion in model container [2020-09-21 11:12:06,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:12:06" (1/1) ... [2020-09-21 11:12:06,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:12:06,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:12:06,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:12:06,655 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:12:06,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:12:06,817 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:12:06,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:06 WrapperNode [2020-09-21 11:12:06,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:12:06,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:12:06,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:12:06,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:12:06,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:06" (1/1) ... [2020-09-21 11:12:06,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:06" (1/1) ... [2020-09-21 11:12:06,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:06" (1/1) ... [2020-09-21 11:12:06,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:06" (1/1) ... [2020-09-21 11:12:06,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:06" (1/1) ... [2020-09-21 11:12:06,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:06" (1/1) ... [2020-09-21 11:12:06,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:06" (1/1) ... [2020-09-21 11:12:06,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:12:06,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:12:06,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:12:06,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:12:06,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:12:06,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:12:06,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:12:06,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:12:06,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:12:06,997 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:12:06,997 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:12:06,998 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:12:06,998 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:12:06,998 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:12:06,998 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:12:06,998 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:12:06,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:12:06,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:12:06,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:12:06,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:12:06,999 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:12:07,000 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:12:07,000 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:12:07,000 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:12:07,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:12:07,001 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:12:07,001 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:12:07,001 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:12:07,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:12:07,001 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:12:07,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:12:07,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:12:07,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:12:07,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:12:07,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:12:07,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:12:07,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:12:07,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:12:07,003 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:12:07,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:12:07,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:12:07,003 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:12:07,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:12:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:12:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:12:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:12:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:12:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:12:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:12:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:12:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:12:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:12:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:12:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:12:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:12:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:12:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:12:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:12:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:12:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:12:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:12:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:12:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:12:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:12:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:12:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:12:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:12:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:12:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:12:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:12:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:12:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:12:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:12:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:12:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:12:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:12:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:12:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:12:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:12:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:12:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:12:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:12:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:12:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:12:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:12:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:12:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:12:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:12:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:12:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:12:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:12:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:12:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:12:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:12:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:12:08,002 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:12:08,002 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:12:08,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:08 BoogieIcfgContainer [2020-09-21 11:12:08,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:12:08,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:12:08,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:12:08,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:12:08,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:12:06" (1/3) ... [2020-09-21 11:12:08,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23647889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:08, skipping insertion in model container [2020-09-21 11:12:08,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:06" (2/3) ... [2020-09-21 11:12:08,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23647889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:08, skipping insertion in model container [2020-09-21 11:12:08,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:08" (3/3) ... [2020-09-21 11:12:08,017 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2020-09-21 11:12:08,028 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:12:08,039 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:12:08,059 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:12:08,085 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:12:08,085 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:12:08,085 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:12:08,086 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:12:08,086 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:12:08,086 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:12:08,086 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:12:08,086 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:12:08,112 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-09-21 11:12:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:12:08,123 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:08,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:08,124 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:08,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:08,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1693195754, now seen corresponding path program 1 times [2020-09-21 11:12:08,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:08,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670607644] [2020-09-21 11:12:08,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:12:08,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:12:08,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:08,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:12:08,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:08,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:08,935 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:08,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:08,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:08,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:08,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:09,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:09,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:09,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:09,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:09,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:09,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:09,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:09,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:09,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:09,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:09,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:09,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:09,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:09,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:09,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:09,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:09,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:09,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:09,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:09,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:09,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:09,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:09,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:09,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:09,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:09,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:09,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:09,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:09,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:09,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:09,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:09,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:09,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:09,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:09,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:09,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:09,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:09,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:09,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:09,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:09,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:09,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:09,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:09,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:09,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:09,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:12:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:09,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:09,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:09,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:09,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:09,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:09,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:09,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:09,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:09,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:09,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:09,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:12:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:09,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:09,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:09,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:09,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:09,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:09,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:09,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:09,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:09,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:09,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670607644] [2020-09-21 11:12:09,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:09,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:12:09,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648236432] [2020-09-21 11:12:09,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:12:09,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:09,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:12:09,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:12:09,138 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 3 states. [2020-09-21 11:12:10,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:10,173 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-09-21 11:12:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:12:10,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:12:10,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:10,196 INFO L225 Difference]: With dead ends: 247 [2020-09-21 11:12:10,197 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 11:12:10,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:12:10,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 11:12:10,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 11:12:10,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 11:12:10,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-09-21 11:12:10,299 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-09-21 11:12:10,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:10,299 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-09-21 11:12:10,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:12:10,300 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-09-21 11:12:10,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:12:10,303 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:10,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:10,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:12:10,304 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:10,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:10,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1772398770, now seen corresponding path program 1 times [2020-09-21 11:12:10,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:10,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365157803] [2020-09-21 11:12:10,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:12:10,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:12:10,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:12:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:12:10,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,718 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:10,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:10,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:10,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:10,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:10,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,766 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:10,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:10,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:10,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:10,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:10,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:12:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:10,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:10,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:10,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:10,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:10,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:10,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:10,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365157803] [2020-09-21 11:12:10,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:10,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:10,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126672216] [2020-09-21 11:12:10,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:10,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:10,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:10,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:10,801 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-09-21 11:12:11,230 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:12:11,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:11,875 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2020-09-21 11:12:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:11,876 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:12:11,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:11,881 INFO L225 Difference]: With dead ends: 180 [2020-09-21 11:12:11,881 INFO L226 Difference]: Without dead ends: 118 [2020-09-21 11:12:11,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:12:11,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-21 11:12:11,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-09-21 11:12:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 11:12:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-09-21 11:12:11,913 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-09-21 11:12:11,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:11,914 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-09-21 11:12:11,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:11,914 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-09-21 11:12:11,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:12:11,916 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:11,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:11,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:12:11,917 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:11,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:11,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1028244918, now seen corresponding path program 1 times [2020-09-21 11:12:11,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:11,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958774261] [2020-09-21 11:12:11,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:12,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:12,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:12,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:12,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:12,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:12:12,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:12,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-21 11:12:12,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:12:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:12,457 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:12,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:12,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:12,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:12,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:12,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:12,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:12,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:12,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 11:12:12,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:12,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:12,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:12,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:12,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:12,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:12,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:12,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:12,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:12,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:12,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:12,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:12,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:12,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:12,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:12,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:12,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:12,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:12,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:12,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:12,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:12,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:12,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:12,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:12,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:12,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:12,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:12,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:12,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:12,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:12,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:12,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:12,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:12,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:12,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:12,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:12,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:12,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:12,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:12,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:12,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:12,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:12:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:12,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:12,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:12,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:12,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:12,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:12,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:12,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:12,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:12,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:12,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:12,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:12,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:12,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:12:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:12,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:12,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:12,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:12,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:12,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:12,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:12,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:12,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:12,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:12,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958774261] [2020-09-21 11:12:12,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:12,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:12,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498504757] [2020-09-21 11:12:12,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:12,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:12,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:12,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:12,680 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 4 states. [2020-09-21 11:12:13,022 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:13,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:13,686 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2020-09-21 11:12:13,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:13,687 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:12:13,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:13,689 INFO L225 Difference]: With dead ends: 189 [2020-09-21 11:12:13,689 INFO L226 Difference]: Without dead ends: 118 [2020-09-21 11:12:13,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:12:13,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-21 11:12:13,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-09-21 11:12:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 11:12:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-09-21 11:12:13,719 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2020-09-21 11:12:13,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:13,720 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-09-21 11:12:13,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-09-21 11:12:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:12:13,722 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:13,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:13,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:12:13,723 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:13,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:13,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1294561485, now seen corresponding path program 1 times [2020-09-21 11:12:13,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:13,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223389327] [2020-09-21 11:12:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:14,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:12:14,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-09-21 11:12:14,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:12:14,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:14,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:12:14,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:14,488 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:14,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:14,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:12:14,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:14,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:14,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:14,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:14,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:14,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:14,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:14,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:14,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:14,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:14,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:14,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:14,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:14,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:14,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:14,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:14,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:14,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:12:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:14,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:14,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:12:14,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:14,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:14,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:14,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:14,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:12:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:14,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:14,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:14,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:14,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:12:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:14,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:14,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:14,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:14,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:14,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [223389327] [2020-09-21 11:12:14,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:14,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:12:14,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685454624] [2020-09-21 11:12:14,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:12:14,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:14,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:12:14,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:12:14,682 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 8 states. [2020-09-21 11:12:15,127 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:16,170 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:16,506 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:16,824 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:17,110 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:17,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:17,843 INFO L93 Difference]: Finished difference Result 279 states and 366 transitions. [2020-09-21 11:12:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:12:17,844 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 11:12:17,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:17,848 INFO L225 Difference]: With dead ends: 279 [2020-09-21 11:12:17,848 INFO L226 Difference]: Without dead ends: 208 [2020-09-21 11:12:17,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:12:17,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-21 11:12:17,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 164. [2020-09-21 11:12:17,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-21 11:12:17,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-09-21 11:12:17,891 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 59 [2020-09-21 11:12:17,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:17,892 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-09-21 11:12:17,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:12:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-09-21 11:12:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:12:17,894 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:17,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:17,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:12:17,895 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:17,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:17,895 INFO L82 PathProgramCache]: Analyzing trace with hash -431290989, now seen corresponding path program 1 times [2020-09-21 11:12:17,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:17,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605184991] [2020-09-21 11:12:17,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:12:18,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-09-21 11:12:18,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:12:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:12:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,721 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:18,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:12:18,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:18,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:18,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:18,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:18,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:18,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:18,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:18,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:18,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:18,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:12:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:12:18,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:12:18,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:12:18,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:12:18,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:18,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:18,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:12:18,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:18,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:18,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:12:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:18,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:18,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:18,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:19,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:12:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:19,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:19,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:19,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:19,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:19,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:19,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:19,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:19,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:19,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:19,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605184991] [2020-09-21 11:12:19,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:19,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:12:19,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568896534] [2020-09-21 11:12:19,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:12:19,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:19,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:12:19,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:12:19,102 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 11 states. [2020-09-21 11:12:19,642 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:20,283 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:21,210 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:21,674 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:21,963 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:22,306 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:22,729 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:23,821 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-09-21 11:12:24,719 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:12:25,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:25,709 INFO L93 Difference]: Finished difference Result 519 states and 678 transitions. [2020-09-21 11:12:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:12:25,709 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-09-21 11:12:25,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:25,715 INFO L225 Difference]: With dead ends: 519 [2020-09-21 11:12:25,715 INFO L226 Difference]: Without dead ends: 437 [2020-09-21 11:12:25,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-09-21 11:12:25,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-09-21 11:12:25,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 332. [2020-09-21 11:12:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-09-21 11:12:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 390 transitions. [2020-09-21 11:12:25,808 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 390 transitions. Word has length 63 [2020-09-21 11:12:25,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:25,809 INFO L479 AbstractCegarLoop]: Abstraction has 332 states and 390 transitions. [2020-09-21 11:12:25,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:12:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 390 transitions. [2020-09-21 11:12:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:12:25,811 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:25,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:25,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:12:25,811 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:25,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:25,812 INFO L82 PathProgramCache]: Analyzing trace with hash 332754483, now seen corresponding path program 1 times [2020-09-21 11:12:25,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:25,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [307657425] [2020-09-21 11:12:25,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:26,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:26,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:26,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:26,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:26,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:12:26,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:26,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-21 11:12:26,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:26,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:12:26,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:26,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:12:26,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:26,419 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:26,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:26,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:26,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:26,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:26,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:26,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:26,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:26,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 11:12:26,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:26,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:26,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:26,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:26,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:26,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:26,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:26,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:26,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:26,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:26,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:26,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:26,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:26,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:26,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:26,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:26,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:26,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:26,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:26,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:26,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:26,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:26,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:26,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:26,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:26,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:26,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:26,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:26,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:26,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:26,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:26,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:26,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:26,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:26,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:26,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:26,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:26,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:26,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:26,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:26,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:26,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:26,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:26,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:26,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:26,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:26,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:26,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:26,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:26,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:26,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:26,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:26,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:12:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:26,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:26,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:26,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:26,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:26,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:26,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:26,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:26,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:26,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:26,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:26,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:26,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:26,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:26,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:26,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:26,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:26,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:26,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:26,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:26,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:26,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:12:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:26,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:26,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:26,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:26,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:26,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:26,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:26,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:26,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:26,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:26,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:26,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:26,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:26,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:12:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:26,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:26,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:26,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:26,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:26,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:26,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:26,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:26,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:26,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:26,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:12:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:26,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:26,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:26,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:26,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:26,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:26,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:26,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:26,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:26,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:26,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [307657425] [2020-09-21 11:12:26,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:26,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:12:26,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8574318] [2020-09-21 11:12:26,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:12:26,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:26,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:12:26,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:12:26,713 INFO L87 Difference]: Start difference. First operand 332 states and 390 transitions. Second operand 6 states. [2020-09-21 11:12:27,222 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:27,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:27,679 INFO L93 Difference]: Finished difference Result 424 states and 511 transitions. [2020-09-21 11:12:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:12:27,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-09-21 11:12:27,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:27,680 INFO L225 Difference]: With dead ends: 424 [2020-09-21 11:12:27,681 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:12:27,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:12:27,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:12:27,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:12:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:12:27,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:12:27,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-09-21 11:12:27,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:27,684 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:12:27,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:12:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:12:27,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:12:27,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:12:27,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:12:27,918 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:28,099 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:28,544 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 11:12:29,003 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:12:29,429 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 11:12:29,604 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:29,786 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:29,954 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:30,120 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:30,285 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:30,461 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:30,977 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 25 [2020-09-21 11:12:31,482 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 25 [2020-09-21 11:12:31,641 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:31,822 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:31,972 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:32,130 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:32,294 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:32,451 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:32,633 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:32,788 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:32,940 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:33,101 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:33,255 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:33,410 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:33,563 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:33,725 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:33,877 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:34,030 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:34,182 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:34,335 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:34,491 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:34,647 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:34,967 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:35,293 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:35,612 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:35,784 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:36,319 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 44 [2020-09-21 11:12:36,484 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:36,641 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:36,801 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:36,957 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:37,124 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:37,564 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 25 [2020-09-21 11:12:38,207 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:38,826 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:39,034 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:39,211 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:39,419 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:39,627 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:40,355 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:40,605 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:40,803 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:41,408 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:42,011 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:12:42,269 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:42,476 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:43,066 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:12:43,266 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:43,876 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:44,092 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:44,393 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:44,601 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:44,813 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:44,964 INFO L268 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-09-21 11:12:44,964 INFO L268 CegarLoopResult]: For program point L534-1(lines 534 538) no Hoare annotation was computed. [2020-09-21 11:12:44,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 503 558) no Hoare annotation was computed. [2020-09-21 11:12:44,964 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 11:12:44,964 INFO L268 CegarLoopResult]: For program point L528-2(lines 528 549) no Hoare annotation was computed. [2020-09-21 11:12:44,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 503 558) no Hoare annotation was computed. [2020-09-21 11:12:44,965 INFO L268 CegarLoopResult]: For program point L550(lines 527 551) no Hoare annotation was computed. [2020-09-21 11:12:44,965 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 503 558) no Hoare annotation was computed. [2020-09-21 11:12:44,965 INFO L268 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-09-21 11:12:44,965 INFO L268 CegarLoopResult]: For program point L604-1(line 604) no Hoare annotation was computed. [2020-09-21 11:12:44,965 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 559 618) no Hoare annotation was computed. [2020-09-21 11:12:44,965 INFO L268 CegarLoopResult]: For program point L591(lines 591 595) no Hoare annotation was computed. [2020-09-21 11:12:44,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 559 618) no Hoare annotation was computed. [2020-09-21 11:12:44,966 INFO L268 CegarLoopResult]: For program point L591-1(lines 591 595) no Hoare annotation was computed. [2020-09-21 11:12:44,966 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 11:12:44,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 559 618) no Hoare annotation was computed. [2020-09-21 11:12:44,966 INFO L268 CegarLoopResult]: For program point L585-2(lines 585 610) no Hoare annotation was computed. [2020-09-21 11:12:44,967 INFO L268 CegarLoopResult]: For program point L611(lines 584 612) no Hoare annotation was computed. [2020-09-21 11:12:44,967 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 318 324) the Hoare annotation is: true [2020-09-21 11:12:44,967 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 318 324) no Hoare annotation was computed. [2020-09-21 11:12:44,967 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 325 333) no Hoare annotation was computed. [2020-09-21 11:12:44,967 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 325 333) the Hoare annotation is: true [2020-09-21 11:12:44,967 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 325 333) no Hoare annotation was computed. [2020-09-21 11:12:44,968 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2020-09-21 11:12:44,968 INFO L264 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:44,968 INFO L268 CegarLoopResult]: For program point L348(lines 348 354) no Hoare annotation was computed. [2020-09-21 11:12:44,968 INFO L264 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:44,968 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-09-21 11:12:44,969 INFO L268 CegarLoopResult]: For program point L344(lines 344 357) no Hoare annotation was computed. [2020-09-21 11:12:44,969 INFO L268 CegarLoopResult]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2020-09-21 11:12:44,969 INFO L271 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: true [2020-09-21 11:12:44,969 INFO L268 CegarLoopResult]: For program point L342-1(line 342) no Hoare annotation was computed. [2020-09-21 11:12:44,969 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2020-09-21 11:12:44,969 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-09-21 11:12:44,970 INFO L264 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:44,970 INFO L264 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:44,970 INFO L264 CegarLoopResult]: At program point L895-1(line 895) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:44,970 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 889 911) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:44,970 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 889 911) no Hoare annotation was computed. [2020-09-21 11:12:44,970 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 889 911) no Hoare annotation was computed. [2020-09-21 11:12:44,971 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:44,971 INFO L264 CegarLoopResult]: At program point L901-1(line 901) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:44,971 INFO L268 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2020-09-21 11:12:44,971 INFO L268 CegarLoopResult]: For program point L899-1(lines 899 906) no Hoare annotation was computed. [2020-09-21 11:12:44,971 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-09-21 11:12:44,971 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-09-21 11:12:44,971 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 848 871) no Hoare annotation was computed. [2020-09-21 11:12:44,971 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-09-21 11:12:44,972 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-09-21 11:12:44,972 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-09-21 11:12:44,972 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 848 871) no Hoare annotation was computed. [2020-09-21 11:12:44,972 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-09-21 11:12:44,972 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 848 871) no Hoare annotation was computed. [2020-09-21 11:12:44,972 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-09-21 11:12:44,972 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-09-21 11:12:44,972 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-09-21 11:12:44,972 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-09-21 11:12:44,973 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-09-21 11:12:44,973 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-09-21 11:12:44,973 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-09-21 11:12:44,973 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-09-21 11:12:44,973 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 232 240) no Hoare annotation was computed. [2020-09-21 11:12:44,973 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 232 240) the Hoare annotation is: true [2020-09-21 11:12:44,973 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 232 240) no Hoare annotation was computed. [2020-09-21 11:12:44,974 INFO L268 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-09-21 11:12:44,974 INFO L271 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: true [2020-09-21 11:12:44,974 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 290) no Hoare annotation was computed. [2020-09-21 11:12:44,974 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-09-21 11:12:44,974 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 277 295) the Hoare annotation is: true [2020-09-21 11:12:44,974 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 277 295) no Hoare annotation was computed. [2020-09-21 11:12:44,974 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 277 295) no Hoare annotation was computed. [2020-09-21 11:12:44,974 INFO L268 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-09-21 11:12:44,975 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-09-21 11:12:44,975 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-21 11:12:44,975 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 241 276) no Hoare annotation was computed. [2020-09-21 11:12:44,975 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-09-21 11:12:44,975 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 241 276) no Hoare annotation was computed. [2020-09-21 11:12:44,975 INFO L268 CegarLoopResult]: For program point L260(lines 260 268) no Hoare annotation was computed. [2020-09-21 11:12:44,975 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 241 276) no Hoare annotation was computed. [2020-09-21 11:12:44,975 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 268) no Hoare annotation was computed. [2020-09-21 11:12:44,975 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 311 317) no Hoare annotation was computed. [2020-09-21 11:12:44,976 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 311 317) the Hoare annotation is: true [2020-09-21 11:12:44,976 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 457 502) no Hoare annotation was computed. [2020-09-21 11:12:44,976 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 457 502) no Hoare annotation was computed. [2020-09-21 11:12:44,976 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 457 502) no Hoare annotation was computed. [2020-09-21 11:12:44,976 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 770 815) no Hoare annotation was computed. [2020-09-21 11:12:44,976 INFO L268 CegarLoopResult]: For program point L790(lines 790 797) no Hoare annotation was computed. [2020-09-21 11:12:44,976 INFO L268 CegarLoopResult]: For program point L784(lines 784 804) no Hoare annotation was computed. [2020-09-21 11:12:44,977 INFO L268 CegarLoopResult]: For program point L784-1(lines 784 804) no Hoare annotation was computed. [2020-09-21 11:12:44,977 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 770 815) no Hoare annotation was computed. [2020-09-21 11:12:44,977 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 770 815) no Hoare annotation was computed. [2020-09-21 11:12:44,978 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 879 888) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:44,978 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 879 888) no Hoare annotation was computed. [2020-09-21 11:12:44,978 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 879 888) no Hoare annotation was computed. [2020-09-21 11:12:44,978 INFO L268 CegarLoopResult]: For program point L226-1(line 226) no Hoare annotation was computed. [2020-09-21 11:12:44,979 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 221 231) no Hoare annotation was computed. [2020-09-21 11:12:44,980 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 221 231) no Hoare annotation was computed. [2020-09-21 11:12:44,980 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 221 231) no Hoare annotation was computed. [2020-09-21 11:12:44,981 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-09-21 11:12:44,981 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 213 220) the Hoare annotation is: true [2020-09-21 11:12:44,981 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 213 220) no Hoare annotation was computed. [2020-09-21 11:12:44,981 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 213 220) no Hoare annotation was computed. [2020-09-21 11:12:44,981 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 162 186) no Hoare annotation was computed. [2020-09-21 11:12:44,981 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:44,981 INFO L268 CegarLoopResult]: For program point L181-1(lines 162 186) no Hoare annotation was computed. [2020-09-21 11:12:44,982 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 162 186) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:44,982 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:44,982 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:44,982 INFO L268 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-09-21 11:12:44,982 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:44,982 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-09-21 11:12:44,982 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-09-21 11:12:44,982 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 154 160) no Hoare annotation was computed. [2020-09-21 11:12:44,983 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 154 160) the Hoare annotation is: true [2020-09-21 11:12:44,983 INFO L264 CegarLoopResult]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:44,983 INFO L268 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2020-09-21 11:12:44,983 INFO L264 CegarLoopResult]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:44,983 INFO L268 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2020-09-21 11:12:44,983 INFO L268 CegarLoopResult]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2020-09-21 11:12:44,983 INFO L264 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:44,984 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:12:44,984 INFO L268 CegarLoopResult]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:12:44,984 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:44,984 INFO L264 CegarLoopResult]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:44,984 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-09-21 11:12:44,984 INFO L268 CegarLoopResult]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2020-09-21 11:12:44,984 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-09-21 11:12:44,984 INFO L264 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:12:44,985 INFO L268 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-09-21 11:12:44,985 INFO L268 CegarLoopResult]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2020-09-21 11:12:44,985 INFO L268 CegarLoopResult]: For program point L738-1(lines 738 758) no Hoare annotation was computed. [2020-09-21 11:12:44,985 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 724 769) no Hoare annotation was computed. [2020-09-21 11:12:44,985 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 724 769) no Hoare annotation was computed. [2020-09-21 11:12:44,985 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 724 769) no Hoare annotation was computed. [2020-09-21 11:12:44,985 INFO L268 CegarLoopResult]: For program point L744(lines 744 751) no Hoare annotation was computed. [2020-09-21 11:12:44,985 INFO L268 CegarLoopResult]: For program point L738(lines 738 758) no Hoare annotation was computed. [2020-09-21 11:12:44,986 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 187 194) no Hoare annotation was computed. [2020-09-21 11:12:44,986 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 187 194) no Hoare annotation was computed. [2020-09-21 11:12:44,986 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 187 194) no Hoare annotation was computed. [2020-09-21 11:12:44,986 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 441 449) no Hoare annotation was computed. [2020-09-21 11:12:44,986 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 441 449) the Hoare annotation is: true [2020-09-21 11:12:44,986 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 441 449) no Hoare annotation was computed. [2020-09-21 11:12:44,987 INFO L268 CegarLoopResult]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-09-21 11:12:44,987 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2020-09-21 11:12:44,987 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2020-09-21 11:12:44,987 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2020-09-21 11:12:44,987 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2020-09-21 11:12:44,987 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 301 310) no Hoare annotation was computed. [2020-09-21 11:12:44,987 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 301 310) no Hoare annotation was computed. [2020-09-21 11:12:44,987 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 301 310) no Hoare annotation was computed. [2020-09-21 11:12:44,988 INFO L268 CegarLoopResult]: For program point L671(lines 670 690) no Hoare annotation was computed. [2020-09-21 11:12:44,988 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 621 723) no Hoare annotation was computed. [2020-09-21 11:12:44,988 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-09-21 11:12:44,988 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-09-21 11:12:44,988 INFO L268 CegarLoopResult]: For program point L667(lines 667 708) no Hoare annotation was computed. [2020-09-21 11:12:44,988 INFO L268 CegarLoopResult]: For program point L686(line 686) no Hoare annotation was computed. [2020-09-21 11:12:44,988 INFO L268 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-09-21 11:12:44,988 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 621 723) no Hoare annotation was computed. [2020-09-21 11:12:44,988 INFO L268 CegarLoopResult]: For program point L645(lines 645 649) no Hoare annotation was computed. [2020-09-21 11:12:44,988 INFO L268 CegarLoopResult]: For program point L709(lines 709 720) no Hoare annotation was computed. [2020-09-21 11:12:44,989 INFO L268 CegarLoopResult]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-09-21 11:12:44,989 INFO L268 CegarLoopResult]: For program point L670-2(lines 670 690) no Hoare annotation was computed. [2020-09-21 11:12:44,989 INFO L268 CegarLoopResult]: For program point L691(lines 669 692) no Hoare annotation was computed. [2020-09-21 11:12:44,989 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 621 723) no Hoare annotation was computed. [2020-09-21 11:12:44,989 INFO L268 CegarLoopResult]: For program point L650(lines 650 666) no Hoare annotation was computed. [2020-09-21 11:12:44,989 INFO L268 CegarLoopResult]: For program point L710(lines 710 717) no Hoare annotation was computed. [2020-09-21 11:12:44,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:44,989 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~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#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~string60.offset| |old(#t~string60.offset)|) (= ~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~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~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)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:12:44,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:44,989 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-09-21 11:12:44,990 INFO L268 CegarLoopResult]: For program point L207-1(lines 196 212) no Hoare annotation was computed. [2020-09-21 11:12:44,990 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 196 212) no Hoare annotation was computed. [2020-09-21 11:12:44,990 INFO L268 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-09-21 11:12:44,990 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-09-21 11:12:44,990 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 196 212) no Hoare annotation was computed. [2020-09-21 11:12:44,990 INFO L268 CegarLoopResult]: For program point L201-1(line 201) no Hoare annotation was computed. [2020-09-21 11:12:44,990 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2020-09-21 11:12:44,990 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2020-09-21 11:12:44,990 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2020-09-21 11:12:44,991 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 11:12:44,991 INFO L268 CegarLoopResult]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2020-09-21 11:12:44,991 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2020-09-21 11:12:44,991 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:44,991 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:12:44,991 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:44,991 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 130 153) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:44,991 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:44,991 INFO L264 CegarLoopResult]: At program point L141(lines 141 147) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:44,992 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 130 153) no Hoare annotation was computed. [2020-09-21 11:12:44,992 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-09-21 11:12:44,992 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 130 153) no Hoare annotation was computed. [2020-09-21 11:12:44,992 INFO L268 CegarLoopResult]: For program point L134(lines 133 152) no Hoare annotation was computed. [2020-09-21 11:12:44,992 INFO L268 CegarLoopResult]: For program point L832(lines 832 836) no Hoare annotation was computed. [2020-09-21 11:12:44,992 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 818 847) no Hoare annotation was computed. [2020-09-21 11:12:44,992 INFO L271 CegarLoopResult]: At program point L832-1(lines 832 836) the Hoare annotation is: true [2020-09-21 11:12:44,992 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-09-21 11:12:44,992 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 818 847) the Hoare annotation is: true [2020-09-21 11:12:44,992 INFO L271 CegarLoopResult]: At program point L828-2(lines 828 842) the Hoare annotation is: true [2020-09-21 11:12:44,993 INFO L271 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: true [2020-09-21 11:12:44,993 INFO L268 CegarLoopResult]: For program point L824-1(line 824) no Hoare annotation was computed. [2020-09-21 11:12:44,993 INFO L271 CegarLoopResult]: At program point L843(lines 818 847) the Hoare annotation is: true [2020-09-21 11:12:44,993 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-09-21 11:12:44,993 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 400 408) no Hoare annotation was computed. [2020-09-21 11:12:44,993 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2020-09-21 11:12:44,993 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2020-09-21 11:12:44,993 INFO L268 CegarLoopResult]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2020-09-21 11:12:44,994 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: true [2020-09-21 11:12:44,994 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2020-09-21 11:12:44,994 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 872 878) no Hoare annotation was computed. [2020-09-21 11:12:44,994 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 872 878) the Hoare annotation is: true [2020-09-21 11:12:44,994 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:44,994 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:12:44,994 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:12:44,995 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:44,995 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2020-09-21 11:12:44,995 INFO L268 CegarLoopResult]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2020-09-21 11:12:44,995 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:12:44,995 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:12:44,995 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 11:12:44,995 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 11:12:44,996 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:12:45,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:12:45 BoogieIcfgContainer [2020-09-21 11:12:45,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:12:45,018 INFO L168 Benchmark]: Toolchain (without parser) took 38941.57 ms. Allocated memory was 146.8 MB in the beginning and 630.2 MB in the end (delta: 483.4 MB). Free memory was 103.1 MB in the beginning and 394.4 MB in the end (delta: -291.3 MB). Peak memory consumption was 475.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:45,019 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:12:45,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.47 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 102.4 MB in the beginning and 172.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:45,021 INFO L168 Benchmark]: Boogie Preprocessor took 93.76 ms. Allocated memory is still 205.5 MB. Free memory was 172.3 MB in the beginning and 168.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:45,021 INFO L168 Benchmark]: RCFGBuilder took 1095.18 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 168.4 MB in the beginning and 194.8 MB in the end (delta: -26.4 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:45,022 INFO L168 Benchmark]: TraceAbstraction took 37007.07 ms. Allocated memory was 234.9 MB in the beginning and 630.2 MB in the end (delta: 395.3 MB). Free memory was 193.4 MB in the beginning and 394.4 MB in the end (delta: -201.0 MB). Peak memory consumption was 478.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:45,026 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.47 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 102.4 MB in the beginning and 172.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.76 ms. Allocated memory is still 205.5 MB. Free memory was 172.3 MB in the beginning and 168.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1095.18 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 168.4 MB in the beginning and 194.8 MB in the end (delta: -26.4 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37007.07 ms. Allocated memory was 234.9 MB in the beginning and 630.2 MB in the end (delta: 395.3 MB). Free memory was 193.4 MB in the beginning and 394.4 MB in the end (delta: -201.0 MB). Peak memory consumption was 478.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || ((2 == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 567 SDtfs, 930 SDslu, 446 SDs, 0 SdLazy, 2366 SolverSat, 616 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 225 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 342 PreInvPairs, 362 NumberOfFragments, 961 HoareAnnotationTreeSize, 342 FomulaSimplifications, 66288 FormulaSimplificationTreeSizeReduction, 9.8s HoareSimplificationTime, 49 FomulaSimplificationsInter, 6658 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 323 ConstructedInterpolants, 0 QuantifiedInterpolants, 92018 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...