/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_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:06:04,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:06:04,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:06:04,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:06:04,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:06:04,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:06:04,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:06:04,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:06:04,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:06:04,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:06:04,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:06:04,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:06:04,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:06:04,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:06:04,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:06:04,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:06:04,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:06:04,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:06:04,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:06:04,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:06:04,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:06:04,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:06:04,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:06:04,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:06:04,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:06:04,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:06:04,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:06:04,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:06:04,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:06:04,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:06:04,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:06:04,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:06:04,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:06:04,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:06:04,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:06:04,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:06:04,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:06:04,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:06:04,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:06:04,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:06:04,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:06:04,156 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 11:06:04,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:06:04,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:06:04,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:06:04,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:06:04,185 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:06:04,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:06:04,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:06:04,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:06:04,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:06:04,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:06:04,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:06:04,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:06:04,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:06:04,187 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:06:04,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:06:04,187 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:06:04,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:06:04,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:06:04,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:06:04,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:06:04,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:06:04,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:06:04,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:06:04,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:06:04,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:06:04,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:06:04,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:06:04,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:06:04,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:06:04,190 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 11:06:04,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:06:04,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:06:04,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:06:04,704 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:06:04,704 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:06:04,705 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2020-09-21 11:06:04,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a165cb65/965a52e8ef5547df9413169367a35203/FLAG112a8c3ed [2020-09-21 11:06:05,423 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:06:05,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2020-09-21 11:06:05,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a165cb65/965a52e8ef5547df9413169367a35203/FLAG112a8c3ed [2020-09-21 11:06:05,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a165cb65/965a52e8ef5547df9413169367a35203 [2020-09-21 11:06:05,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:06:05,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:06:05,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:06:05,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:06:05,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:06:05,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:06:05" (1/1) ... [2020-09-21 11:06:05,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1972044a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:05, skipping insertion in model container [2020-09-21 11:06:05,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:06:05" (1/1) ... [2020-09-21 11:06:05,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:06:05,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:06:06,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:06:06,287 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:06:06,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:06:06,422 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:06:06,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:06 WrapperNode [2020-09-21 11:06:06,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:06:06,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:06:06,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:06:06,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:06:06,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:06" (1/1) ... [2020-09-21 11:06:06,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:06" (1/1) ... [2020-09-21 11:06:06,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:06" (1/1) ... [2020-09-21 11:06:06,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:06" (1/1) ... [2020-09-21 11:06:06,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:06" (1/1) ... [2020-09-21 11:06:06,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:06" (1/1) ... [2020-09-21 11:06:06,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:06" (1/1) ... [2020-09-21 11:06:06,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:06:06,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:06:06,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:06:06,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:06:06,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:06" (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 11:06:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:06:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:06:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:06:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:06:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:06:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:06:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:06:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:06:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:06:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:06:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:06:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:06:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:06:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:06:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:06:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:06:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:06:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:06:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:06:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:06:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:06:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:06:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:06:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:06:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:06:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:06:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:06:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:06:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:06:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:06:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:06:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:06:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:06:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:06:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:06:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:06:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:06:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:06:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:06:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:06:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:06:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:06:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:06:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:06:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:06:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:06:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:06:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:06:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:06:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:06:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:06:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:06:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:06:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:06:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:06:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:06:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:06:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:06:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:06:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:06:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:06:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:06:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:06:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:06:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:06:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:06:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:06:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:06:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:06:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:06:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:06:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:06:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:06:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:06:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:06:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:06:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:06:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:06:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:06:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:06:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:06:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:06:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:06:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:06:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:06:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:06:07,741 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:06:07,741 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:06:07,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:06:07 BoogieIcfgContainer [2020-09-21 11:06:07,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:06:07,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:06:07,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:06:07,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:06:07,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:06:05" (1/3) ... [2020-09-21 11:06:07,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b780354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:06:07, skipping insertion in model container [2020-09-21 11:06:07,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:06" (2/3) ... [2020-09-21 11:06:07,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b780354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:06:07, skipping insertion in model container [2020-09-21 11:06:07,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:06:07" (3/3) ... [2020-09-21 11:06:07,757 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2020-09-21 11:06:07,768 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:06:07,778 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:06:07,797 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:06:07,826 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:06:07,826 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:06:07,826 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:06:07,826 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:06:07,827 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:06:07,827 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:06:07,827 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:06:07,827 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:06:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-09-21 11:06:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:06:07,865 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:07,866 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 11:06:07,866 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:07,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:07,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1369653698, now seen corresponding path program 1 times [2020-09-21 11:06:07,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:07,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548785805] [2020-09-21 11:06:07,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:08,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:08,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:08,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:08,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:08,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:06:08,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:08,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:06:08,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:08,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:06:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:06:08,712 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:08,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:08,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:08,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:08,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:08,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:08,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:08,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:08,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:06:08,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:08,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:08,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:08,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:08,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:08,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:08,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:08,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:08,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:08,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:08,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:08,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:08,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:08,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:08,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:08,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:08,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:08,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:08,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:08,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:08,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:08,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:08,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:08,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:08,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:08,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:08,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:08,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:08,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:08,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:08,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:08,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:08,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:08,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:08,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:08,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:08,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:08,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:08,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:08,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:08,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:08,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:08,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:08,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:08,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:08,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:08,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:08,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:08,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:08,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:08,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:08,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:08,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:08,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:08,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:08,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:08,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:08,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:08,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:08,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:08,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:06:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:08,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:08,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:08,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:08,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:08,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:08,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:08,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:08,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:08,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:08,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:08,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:08,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:08,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:06:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:08,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:08,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:08,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:08,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:08,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:08,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:08,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:08,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:08,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:08,929 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 11:06:08,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548785805] [2020-09-21 11:06:08,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:08,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:06:08,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121390291] [2020-09-21 11:06:08,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:06:08,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:08,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:06:08,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:06:08,963 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 4 states. [2020-09-21 11:06:09,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:09,906 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2020-09-21 11:06:09,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:06:09,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:06:09,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:09,926 INFO L225 Difference]: With dead ends: 198 [2020-09-21 11:06:09,927 INFO L226 Difference]: Without dead ends: 113 [2020-09-21 11:06:09,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:06:09,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-09-21 11:06:10,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2020-09-21 11:06:10,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-21 11:06:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2020-09-21 11:06:10,024 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2020-09-21 11:06:10,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:10,028 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2020-09-21 11:06:10,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:06:10,029 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2020-09-21 11:06:10,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:06:10,033 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:10,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:10,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:06:10,033 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:10,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:10,034 INFO L82 PathProgramCache]: Analyzing trace with hash -2015305249, now seen corresponding path program 1 times [2020-09-21 11:06:10,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:10,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647724870] [2020-09-21 11:06:10,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:10,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:10,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:10,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:06:10,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:10,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:06:10,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:06:10,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:10,392 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:10,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:10,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:10,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:10,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:10,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:10,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:10,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:10,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:10,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:10,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:10,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:10,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:10,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:10,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:10,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:10,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:10,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:10,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:10,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:10,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:10,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:10,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:10,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:10,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:10,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:10,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:10,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:10,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:10,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:10,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:10,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:10,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:10,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:10,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:10,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:10,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:10,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:10,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:10,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:10,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:10,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:10,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:10,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:10,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:10,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:10,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:10,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:06:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:10,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:10,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:10,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:10,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:10,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:10,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:10,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:10,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:10,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:06:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:10,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:10,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:10,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:10,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:10,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:10,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:10,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:10,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:10,491 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 11:06:10,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647724870] [2020-09-21 11:06:10,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:10,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:06:10,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83597739] [2020-09-21 11:06:10,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:06:10,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:10,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:06:10,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:06:10,495 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 5 states. [2020-09-21 11:06:10,999 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:11,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:11,535 INFO L93 Difference]: Finished difference Result 143 states and 178 transitions. [2020-09-21 11:06:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:06:11,535 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:06:11,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:11,537 INFO L225 Difference]: With dead ends: 143 [2020-09-21 11:06:11,538 INFO L226 Difference]: Without dead ends: 103 [2020-09-21 11:06:11,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:06:11,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-09-21 11:06:11,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-09-21 11:06:11,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-09-21 11:06:11,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2020-09-21 11:06:11,578 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 52 [2020-09-21 11:06:11,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:11,578 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2020-09-21 11:06:11,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:06:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-09-21 11:06:11,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 11:06:11,589 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:11,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:11,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:06:11,590 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:11,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:11,590 INFO L82 PathProgramCache]: Analyzing trace with hash 2024373040, now seen corresponding path program 1 times [2020-09-21 11:06:11,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:11,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370974099] [2020-09-21 11:06:11,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:11,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:06:11,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-21 11:06:11,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 11:06:11,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:12,111 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:12,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:12,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:12,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:12,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:12,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:12,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:12,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 11:06:12,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:12,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:12,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:12,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:12,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:12,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:12,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:12,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:12,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:12,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:12,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:12,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:12,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:12,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:12,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:12,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:12,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:12,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:12,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:12,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:12,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:12,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:12,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:12,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:12,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:12,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:12,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:12,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:12,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:12,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:12,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:12,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:12,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:12,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:12,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:12,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:12,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:12,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:12,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:12,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:12,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:12,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:12,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:12,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:12,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:12,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:12,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:12,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:12,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:12,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:06:12,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:12,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:12,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:12,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:12,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:12,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:12,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:12,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:12,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:12,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:12,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:12,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:06:12,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:06:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:12,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:12,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:12,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:12,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:12,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:12,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:12,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:12,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:12,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:12,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:12,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:12,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:06:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:12,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:12,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:12,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:12,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:12,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:12,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:12,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:12,355 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 11:06:12,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370974099] [2020-09-21 11:06:12,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:12,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:06:12,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629975085] [2020-09-21 11:06:12,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:06:12,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:12,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:06:12,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:06:12,357 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 5 states. [2020-09-21 11:06:12,745 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:13,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:13,358 INFO L93 Difference]: Finished difference Result 152 states and 193 transitions. [2020-09-21 11:06:13,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:06:13,358 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 11:06:13,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:13,360 INFO L225 Difference]: With dead ends: 152 [2020-09-21 11:06:13,361 INFO L226 Difference]: Without dead ends: 103 [2020-09-21 11:06:13,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:06:13,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-09-21 11:06:13,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-09-21 11:06:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-09-21 11:06:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2020-09-21 11:06:13,388 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 56 [2020-09-21 11:06:13,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:13,389 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2020-09-21 11:06:13,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:06:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-09-21 11:06:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:06:13,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:13,390 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 11:06:13,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:06:13,390 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:13,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:13,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1738741033, now seen corresponding path program 1 times [2020-09-21 11:06:13,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:13,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [799158762] [2020-09-21 11:06:13,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:06:13,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-09-21 11:06:13,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:06:13,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:13,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 11:06:13,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,136 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:14,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:14,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:06:14,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:14,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:14,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:14,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:14,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:14,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:14,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:14,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:14,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:14,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:14,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:14,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:06:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:14,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:14,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:06:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:14,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:14,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:14,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:06:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:14,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:14,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:14,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:14,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,313 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 11:06:14,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [799158762] [2020-09-21 11:06:14,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:14,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:06:14,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971263638] [2020-09-21 11:06:14,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:06:14,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:14,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:06:14,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:06:14,316 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 8 states. [2020-09-21 11:06:14,754 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:15,757 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:16,086 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:16,407 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:16,714 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:17,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:17,168 INFO L93 Difference]: Finished difference Result 204 states and 263 transitions. [2020-09-21 11:06:17,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:06:17,169 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 11:06:17,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:17,172 INFO L225 Difference]: With dead ends: 204 [2020-09-21 11:06:17,172 INFO L226 Difference]: Without dead ends: 155 [2020-09-21 11:06:17,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:06:17,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-21 11:06:17,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 116. [2020-09-21 11:06:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-09-21 11:06:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2020-09-21 11:06:17,205 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2020-09-21 11:06:17,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:17,205 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2020-09-21 11:06:17,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:06:17,206 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2020-09-21 11:06:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:06:17,207 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:17,207 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 11:06:17,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:06:17,208 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:17,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:17,208 INFO L82 PathProgramCache]: Analyzing trace with hash -822748467, now seen corresponding path program 1 times [2020-09-21 11:06:17,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:17,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591467652] [2020-09-21 11:06:17,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:06:17,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-21 11:06:17,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:17,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:06:17,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:17,705 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:17,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:06:17,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:17,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:17,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:17,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:17,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:17,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:17,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:17,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:17,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:17,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:17,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:17,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:06:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:17,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:17,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:06:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:17,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:17,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:06:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:17,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:06:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:17,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:17,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:18,000 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 11:06:18,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591467652] [2020-09-21 11:06:18,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:18,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:06:18,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950787364] [2020-09-21 11:06:18,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:06:18,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:18,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:06:18,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:06:18,003 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 9 states. [2020-09-21 11:06:18,554 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:19,381 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:19,742 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:20,076 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:06:20,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:20,325 INFO L93 Difference]: Finished difference Result 233 states and 298 transitions. [2020-09-21 11:06:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:06:20,326 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-09-21 11:06:20,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:20,327 INFO L225 Difference]: With dead ends: 233 [2020-09-21 11:06:20,327 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:06:20,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:06:20,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:06:20,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:06:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:06:20,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:06:20,331 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-09-21 11:06:20,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:20,331 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:06:20,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:06:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:06:20,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:06:20,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:06:20,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:06:21,094 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 198 [2020-09-21 11:06:21,361 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 15 [2020-09-21 11:06:21,525 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:21,756 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 15 [2020-09-21 11:06:21,934 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:22,097 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:22,263 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:22,646 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:23,017 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:23,380 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:23,739 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:24,112 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:24,468 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:24,631 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:24,988 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:25,352 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:25,711 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:26,071 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:26,428 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:26,787 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:26,946 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:27,089 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:27,498 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2020-09-21 11:06:27,661 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:27,822 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:27,987 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:28,152 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:28,316 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:28,471 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:28,630 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:28,789 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:28,946 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:29,103 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:29,258 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:29,410 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:29,570 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:29,727 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:29,882 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:30,041 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:30,198 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:30,351 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:30,511 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:30,667 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:30,826 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:30,978 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:31,138 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:31,295 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:31,449 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:31,606 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:31,765 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:31,923 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:32,084 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:32,242 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:32,396 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:32,556 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:32,698 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 14 [2020-09-21 11:06:32,941 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:33,215 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:33,435 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:33,842 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-09-21 11:06:34,016 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-09-21 11:06:34,431 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-09-21 11:06:34,651 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:34,921 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:35,034 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 14 [2020-09-21 11:06:35,442 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 11:06:35,655 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 11:06:35,881 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:36,115 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-09-21 11:06:36,554 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-09-21 11:06:36,803 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:37,225 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-09-21 11:06:37,433 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 11:06:37,851 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 11:06:38,092 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:38,501 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 11:06:38,718 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:38,723 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 11:06:38,723 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-09-21 11:06:38,723 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-09-21 11:06:38,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-09-21 11:06:38,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-09-21 11:06:38,724 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-09-21 11:06:38,724 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-09-21 11:06:38,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-09-21 11:06:38,724 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-09-21 11:06:38,725 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-09-21 11:06:38,725 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 11:06:38,725 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-09-21 11:06:38,725 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-09-21 11:06:38,725 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-09-21 11:06:38,725 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-09-21 11:06:38,725 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 11:06:38,725 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-09-21 11:06:38,725 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-09-21 11:06:38,726 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2020-09-21 11:06:38,726 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2020-09-21 11:06:38,726 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2020-09-21 11:06:38,726 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2020-09-21 11:06:38,726 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2020-09-21 11:06:38,727 INFO L264 CegarLoopResult]: At program point L738-1(line 738) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,727 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 732 754) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,727 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 732 754) no Hoare annotation was computed. [2020-09-21 11:06:38,727 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 732 754) no Hoare annotation was computed. [2020-09-21 11:06:38,727 INFO L264 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,728 INFO L264 CegarLoopResult]: At program point L744-1(line 744) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,728 INFO L268 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2020-09-21 11:06:38,728 INFO L268 CegarLoopResult]: For program point L742-1(lines 742 749) no Hoare annotation was computed. [2020-09-21 11:06:38,728 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-09-21 11:06:38,728 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,728 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,728 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-09-21 11:06:38,729 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-09-21 11:06:38,729 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 687 710) no Hoare annotation was computed. [2020-09-21 11:06:38,729 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-09-21 11:06:38,729 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-09-21 11:06:38,729 INFO L268 CegarLoopResult]: For program point L701(line 701) no Hoare annotation was computed. [2020-09-21 11:06:38,729 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 687 710) no Hoare annotation was computed. [2020-09-21 11:06:38,729 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-09-21 11:06:38,730 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 687 710) no Hoare annotation was computed. [2020-09-21 11:06:38,730 INFO L268 CegarLoopResult]: For program point L699(line 699) no Hoare annotation was computed. [2020-09-21 11:06:38,730 INFO L268 CegarLoopResult]: For program point L698(line 698) no Hoare annotation was computed. [2020-09-21 11:06:38,730 INFO L268 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-09-21 11:06:38,730 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-09-21 11:06:38,730 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-09-21 11:06:38,730 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-09-21 11:06:38,730 INFO L268 CegarLoopResult]: For program point L693(line 693) no Hoare annotation was computed. [2020-09-21 11:06:38,731 INFO L268 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-09-21 11:06:38,731 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 526 533) no Hoare annotation was computed. [2020-09-21 11:06:38,731 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 526 533) no Hoare annotation was computed. [2020-09-21 11:06:38,731 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 526 533) no Hoare annotation was computed. [2020-09-21 11:06:38,731 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 571 579) no Hoare annotation was computed. [2020-09-21 11:06:38,731 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 571 579) the Hoare annotation is: true [2020-09-21 11:06:38,731 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 571 579) no Hoare annotation was computed. [2020-09-21 11:06:38,732 INFO L268 CegarLoopResult]: For program point L610-1(line 610) no Hoare annotation was computed. [2020-09-21 11:06:38,732 INFO L268 CegarLoopResult]: For program point L599(lines 599 607) no Hoare annotation was computed. [2020-09-21 11:06:38,732 INFO L268 CegarLoopResult]: For program point L599-2(lines 599 607) no Hoare annotation was computed. [2020-09-21 11:06:38,732 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 580 615) no Hoare annotation was computed. [2020-09-21 11:06:38,732 INFO L268 CegarLoopResult]: For program point L587(lines 587 595) no Hoare annotation was computed. [2020-09-21 11:06:38,732 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 595) no Hoare annotation was computed. [2020-09-21 11:06:38,732 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 580 615) no Hoare annotation was computed. [2020-09-21 11:06:38,732 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 580 615) no Hoare annotation was computed. [2020-09-21 11:06:38,733 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-09-21 11:06:38,733 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2020-09-21 11:06:38,733 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2020-09-21 11:06:38,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-09-21 11:06:38,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-09-21 11:06:38,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-09-21 11:06:38,733 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-09-21 11:06:38,734 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-09-21 11:06:38,734 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:06:38,734 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:06:38,734 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:06:38,734 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-09-21 11:06:38,734 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 718 728) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,734 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 718 728) no Hoare annotation was computed. [2020-09-21 11:06:38,734 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 718 728) no Hoare annotation was computed. [2020-09-21 11:06:38,735 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:06:38,735 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 560 570) no Hoare annotation was computed. [2020-09-21 11:06:38,735 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 560 570) no Hoare annotation was computed. [2020-09-21 11:06:38,735 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 560 570) no Hoare annotation was computed. [2020-09-21 11:06:38,735 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 11:06:38,735 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-09-21 11:06:38,735 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 552 559) no Hoare annotation was computed. [2020-09-21 11:06:38,735 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 552 559) no Hoare annotation was computed. [2020-09-21 11:06:38,735 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 552 559) no Hoare annotation was computed. [2020-09-21 11:06:38,735 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 519 525) no Hoare annotation was computed. [2020-09-21 11:06:38,736 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 519 525) the Hoare annotation is: true [2020-09-21 11:06:38,736 INFO L264 CegarLoopResult]: At program point testENTRY(lines 419 482) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,736 INFO L264 CegarLoopResult]: At program point L475(lines 428 476) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,736 INFO L268 CegarLoopResult]: For program point testFINAL(lines 419 482) no Hoare annotation was computed. [2020-09-21 11:06:38,736 INFO L268 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-09-21 11:06:38,736 INFO L264 CegarLoopResult]: At program point L465-2(lines 459 470) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,736 INFO L268 CegarLoopResult]: For program point L430(lines 429 474) no Hoare annotation was computed. [2020-09-21 11:06:38,737 INFO L268 CegarLoopResult]: For program point L459(lines 459 470) no Hoare annotation was computed. [2020-09-21 11:06:38,737 INFO L264 CegarLoopResult]: At program point L451(line 451) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,737 INFO L268 CegarLoopResult]: For program point L449(lines 449 455) no Hoare annotation was computed. [2020-09-21 11:06:38,737 INFO L268 CegarLoopResult]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2020-09-21 11:06:38,737 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,737 INFO L264 CegarLoopResult]: At program point L472(lines 429 474) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:38,737 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-09-21 11:06:38,738 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 445) no Hoare annotation was computed. [2020-09-21 11:06:38,738 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-09-21 11:06:38,738 INFO L268 CegarLoopResult]: For program point testEXIT(lines 419 482) no Hoare annotation was computed. [2020-09-21 11:06:38,738 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-09-21 11:06:38,738 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-09-21 11:06:38,738 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-09-21 11:06:38,738 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-09-21 11:06:38,738 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-09-21 11:06:38,738 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-09-21 11:06:38,739 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:38,739 INFO L268 CegarLoopResult]: For program point L639(lines 639 645) no Hoare annotation was computed. [2020-09-21 11:06:38,739 INFO L268 CegarLoopResult]: For program point L638(lines 638 648) no Hoare annotation was computed. [2020-09-21 11:06:38,739 INFO L264 CegarLoopResult]: At program point L636(line 636) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-09-21 11:06:38,739 INFO L268 CegarLoopResult]: For program point L636-1(line 636) no Hoare annotation was computed. [2020-09-21 11:06:38,739 INFO L268 CegarLoopResult]: For program point L634(lines 634 651) no Hoare annotation was computed. [2020-09-21 11:06:38,739 INFO L268 CegarLoopResult]: For program point L634-1(lines 626 654) no Hoare annotation was computed. [2020-09-21 11:06:38,739 INFO L264 CegarLoopResult]: At program point L632(line 632) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:06:38,740 INFO L268 CegarLoopResult]: For program point L632-1(line 632) no Hoare annotation was computed. [2020-09-21 11:06:38,740 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 626 654) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:06:38,740 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 626 654) no Hoare annotation was computed. [2020-09-21 11:06:38,740 INFO L268 CegarLoopResult]: For program point L812(lines 812 820) no Hoare annotation was computed. [2020-09-21 11:06:38,740 INFO L268 CegarLoopResult]: For program point L812-2(lines 812 820) no Hoare annotation was computed. [2020-09-21 11:06:38,740 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 804 826) no Hoare annotation was computed. [2020-09-21 11:06:38,740 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 804 826) no Hoare annotation was computed. [2020-09-21 11:06:38,740 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 804 826) no Hoare annotation was computed. [2020-09-21 11:06:38,741 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 618 625) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:06:38,741 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 618 625) no Hoare annotation was computed. [2020-09-21 11:06:38,741 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 618 625) no Hoare annotation was computed. [2020-09-21 11:06:38,741 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-09-21 11:06:38,741 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-09-21 11:06:38,741 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-09-21 11:06:38,741 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-09-21 11:06:38,741 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-09-21 11:06:38,741 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-09-21 11:06:38,742 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-09-21 11:06:38,742 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-09-21 11:06:38,742 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-09-21 11:06:38,742 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-21 11:06:38,742 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-09-21 11:06:38,742 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-09-21 11:06:38,742 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-09-21 11:06:38,742 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-09-21 11:06:38,742 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-09-21 11:06:38,743 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-09-21 11:06:38,743 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 838 847) no Hoare annotation was computed. [2020-09-21 11:06:38,743 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 838 847) no Hoare annotation was computed. [2020-09-21 11:06:38,743 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 838 847) no Hoare annotation was computed. [2020-09-21 11:06:38,743 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:06:38,743 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~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:06:38,743 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:06:38,744 INFO L268 CegarLoopResult]: For program point L546-1(lines 535 551) no Hoare annotation was computed. [2020-09-21 11:06:38,744 INFO L268 CegarLoopResult]: For program point L542(lines 542 548) no Hoare annotation was computed. [2020-09-21 11:06:38,744 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-09-21 11:06:38,744 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 535 551) no Hoare annotation was computed. [2020-09-21 11:06:38,744 INFO L268 CegarLoopResult]: For program point L540-1(line 540) no Hoare annotation was computed. [2020-09-21 11:06:38,744 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 535 551) no Hoare annotation was computed. [2020-09-21 11:06:38,744 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-09-21 11:06:38,744 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 827 835) no Hoare annotation was computed. [2020-09-21 11:06:38,745 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 827 835) no Hoare annotation was computed. [2020-09-21 11:06:38,745 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 827 835) no Hoare annotation was computed. [2020-09-21 11:06:38,745 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:06:38,745 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:06:38,745 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:06:38,745 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 783 794) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:06:38,745 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 783 794) no Hoare annotation was computed. [2020-09-21 11:06:38,745 INFO L268 CegarLoopResult]: For program point L787-1(lines 783 794) no Hoare annotation was computed. [2020-09-21 11:06:38,746 INFO L264 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:38,746 INFO L264 CegarLoopResult]: At program point L506(lines 506 512) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:38,746 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:38,746 INFO L268 CegarLoopResult]: For program point L499(lines 498 517) no Hoare annotation was computed. [2020-09-21 11:06:38,746 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 495 518) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:38,746 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 495 518) no Hoare annotation was computed. [2020-09-21 11:06:38,747 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 495 518) no Hoare annotation was computed. [2020-09-21 11:06:38,747 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 657 686) no Hoare annotation was computed. [2020-09-21 11:06:38,747 INFO L268 CegarLoopResult]: For program point L671(lines 671 675) no Hoare annotation was computed. [2020-09-21 11:06:38,747 INFO L271 CegarLoopResult]: At program point L671-1(lines 671 675) the Hoare annotation is: true [2020-09-21 11:06:38,747 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 657 686) the Hoare annotation is: true [2020-09-21 11:06:38,747 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-09-21 11:06:38,747 INFO L271 CegarLoopResult]: At program point L667-2(lines 667 681) the Hoare annotation is: true [2020-09-21 11:06:38,748 INFO L271 CegarLoopResult]: At program point L663(line 663) the Hoare annotation is: true [2020-09-21 11:06:38,748 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-09-21 11:06:38,748 INFO L271 CegarLoopResult]: At program point L682(lines 657 686) the Hoare annotation is: true [2020-09-21 11:06:38,748 INFO L268 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-09-21 11:06:38,748 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 795 803) the Hoare annotation is: true [2020-09-21 11:06:38,748 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 795 803) no Hoare annotation was computed. [2020-09-21 11:06:38,748 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 795 803) no Hoare annotation was computed. [2020-09-21 11:06:38,748 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 759 770) the Hoare annotation is: true [2020-09-21 11:06:38,749 INFO L268 CegarLoopResult]: For program point L763-1(lines 759 770) no Hoare annotation was computed. [2020-09-21 11:06:38,749 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 759 770) no Hoare annotation was computed. [2020-09-21 11:06:38,749 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 711 717) no Hoare annotation was computed. [2020-09-21 11:06:38,749 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 711 717) the Hoare annotation is: true [2020-09-21 11:06:38,749 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:06:38,749 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:06:38,749 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:06:38,749 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:06:38,750 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 771 782) no Hoare annotation was computed. [2020-09-21 11:06:38,750 INFO L268 CegarLoopResult]: For program point L775-1(lines 771 782) no Hoare annotation was computed. [2020-09-21 11:06:38,750 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 771 782) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:38,750 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:06:38,750 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 11:06:38,750 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 11:06:38,750 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:06:38,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:06:38 BoogieIcfgContainer [2020-09-21 11:06:38,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:06:38,776 INFO L168 Benchmark]: Toolchain (without parser) took 33023.99 ms. Allocated memory was 139.5 MB in the beginning and 589.8 MB in the end (delta: 450.4 MB). Free memory was 101.8 MB in the beginning and 343.0 MB in the end (delta: -241.2 MB). Peak memory consumption was 428.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:06:38,777 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:06:38,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.66 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.2 MB in the beginning and 168.4 MB in the end (delta: -67.3 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:06:38,778 INFO L168 Benchmark]: Boogie Preprocessor took 96.42 ms. Allocated memory is still 201.9 MB. Free memory was 168.4 MB in the beginning and 164.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:06:38,779 INFO L168 Benchmark]: RCFGBuilder took 1227.11 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.1 MB in the beginning and 197.7 MB in the end (delta: -33.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:06:38,780 INFO L168 Benchmark]: TraceAbstraction took 31025.49 ms. Allocated memory was 235.4 MB in the beginning and 589.8 MB in the end (delta: 354.4 MB). Free memory was 196.2 MB in the beginning and 343.0 MB in the end (delta: -146.8 MB). Peak memory consumption was 426.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:06:38,784 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.66 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.2 MB in the beginning and 168.4 MB in the end (delta: -67.3 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.42 ms. Allocated memory is still 201.9 MB. Free memory was 168.4 MB in the beginning and 164.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1227.11 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.1 MB in the beginning and 197.7 MB in the end (delta: -33.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31025.49 ms. Allocated memory was 235.4 MB in the beginning and 589.8 MB in the end (delta: 354.4 MB). Free memory was 196.2 MB in the beginning and 343.0 MB in the end (delta: -146.8 MB). Peak memory consumption was 426.6 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: 429]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || splverifierCounter <= 0) || !(1 == systemActive)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 360 SDtfs, 482 SDslu, 311 SDs, 0 SdLazy, 1078 SolverSat, 312 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 118 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 176 PreInvPairs, 208 NumberOfFragments, 645 HoareAnnotationTreeSize, 176 FomulaSimplifications, 68804 FormulaSimplificationTreeSizeReduction, 12.2s HoareSimplificationTime, 42 FomulaSimplificationsInter, 7480 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 79088 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...