/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:11:27,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:11:27,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:11:27,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:11:27,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:11:27,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:11:27,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:11:27,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:11:27,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:11:27,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:11:27,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:11:27,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:11:27,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:11:27,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:11:27,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:11:27,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:11:27,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:11:27,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:11:27,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:11:27,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:11:27,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:11:27,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:11:27,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:11:27,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:11:27,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:11:27,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:11:27,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:11:27,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:11:27,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:11:27,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:11:27,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:11:27,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:11:27,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:11:27,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:11:27,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:11:27,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:11:27,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:11:27,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:11:27,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:11:27,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:11:27,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:11:27,179 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 11:11:27,227 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:11:27,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:11:27,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:11:27,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:11:27,230 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:11:27,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:11:27,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:11:27,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:11:27,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:11:27,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:11:27,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:11:27,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:11:27,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:11:27,234 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:11:27,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:11:27,234 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:11:27,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:11:27,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:11:27,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:11:27,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:11:27,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:11:27,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:27,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:11:27,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:11:27,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:11:27,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:11:27,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:11:27,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:11:27,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:11:27,237 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 11:11:27,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:11:27,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:11:27,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:11:27,777 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:11:27,778 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:11:27,779 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-09-21 11:11:27,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27a1b87d7/6b78127a23c34cb5bf0243509239fc19/FLAG06216f2e8 [2020-09-21 11:11:28,522 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:11:28,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-09-21 11:11:28,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27a1b87d7/6b78127a23c34cb5bf0243509239fc19/FLAG06216f2e8 [2020-09-21 11:11:28,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27a1b87d7/6b78127a23c34cb5bf0243509239fc19 [2020-09-21 11:11:28,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:11:28,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:11:28,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:28,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:11:28,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:11:28,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:28" (1/1) ... [2020-09-21 11:11:28,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:28, skipping insertion in model container [2020-09-21 11:11:28,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:28" (1/1) ... [2020-09-21 11:11:28,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:11:28,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:11:29,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:29,334 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:11:29,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:29,499 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:11:29,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:29 WrapperNode [2020-09-21 11:11:29,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:29,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:11:29,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:11:29,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:11:29,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:29" (1/1) ... [2020-09-21 11:11:29,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:29" (1/1) ... [2020-09-21 11:11:29,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:29" (1/1) ... [2020-09-21 11:11:29,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:29" (1/1) ... [2020-09-21 11:11:29,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:29" (1/1) ... [2020-09-21 11:11:29,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:29" (1/1) ... [2020-09-21 11:11:29,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:29" (1/1) ... [2020-09-21 11:11:29,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:11:29,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:11:29,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:11:29,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:11:29,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:29" (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 11:11:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:11:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:11:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:11:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:11:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:11:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:11:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:11:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:11:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:11:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:11:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:11:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:11:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:11:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:11:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:11:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:11:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:11:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:11:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:11:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:11:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:11:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:11:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:11:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:11:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:11:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:11:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:11:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:11:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:11:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:11:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:11:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:11:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:11:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:11:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:11:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:11:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:11:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:11:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:11:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:11:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:11:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:11:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:11:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:11:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:11:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:11:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:11:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:11:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:11:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:11:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:11:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:11:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:11:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:11:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:11:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:11:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:11:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:11:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:11:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:11:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:11:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:11:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:11:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:11:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:11:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:11:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:11:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:11:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:11:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:11:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:11:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:11:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:11:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:11:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:11:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:11:30,764 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:11:30,765 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:11:30,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:30 BoogieIcfgContainer [2020-09-21 11:11:30,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:11:30,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:11:30,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:11:30,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:11:30,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:11:28" (1/3) ... [2020-09-21 11:11:30,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66dd207a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:30, skipping insertion in model container [2020-09-21 11:11:30,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:29" (2/3) ... [2020-09-21 11:11:30,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66dd207a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:30, skipping insertion in model container [2020-09-21 11:11:30,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:30" (3/3) ... [2020-09-21 11:11:30,785 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2020-09-21 11:11:30,796 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:11:30,808 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:11:30,830 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:11:30,856 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:11:30,856 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:11:30,856 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:11:30,856 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:11:30,857 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:11:30,857 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:11:30,857 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:11:30,857 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:11:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-09-21 11:11:30,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:11:30,895 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:30,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:30,897 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:30,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:30,904 INFO L82 PathProgramCache]: Analyzing trace with hash -32218829, now seen corresponding path program 1 times [2020-09-21 11:11:30,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:30,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1604525016] [2020-09-21 11:11:30,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:11:31,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:11:31,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:11:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,628 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:31,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:31,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:31,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:31,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:31,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:31,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:31,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:11:31,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:31,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:31,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:31,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:31,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:31,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:31,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:31,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:31,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:31,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:31,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:31,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:11:31,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:31,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:31,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:31,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,811 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 11:11:31,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1604525016] [2020-09-21 11:11:31,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:31,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:11:31,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273597461] [2020-09-21 11:11:31,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:11:31,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:31,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:11:31,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:31,843 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-09-21 11:11:32,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:32,833 INFO L93 Difference]: Finished difference Result 243 states and 321 transitions. [2020-09-21 11:11:32,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:11:32,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:11:32,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:32,853 INFO L225 Difference]: With dead ends: 243 [2020-09-21 11:11:32,853 INFO L226 Difference]: Without dead ends: 132 [2020-09-21 11:11:32,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:32,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-09-21 11:11:32,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2020-09-21 11:11:32,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-09-21 11:11:32,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-09-21 11:11:32,956 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2020-09-21 11:11:32,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:32,956 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-09-21 11:11:32,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:11:32,957 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-09-21 11:11:32,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:11:32,960 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:32,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:32,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:11:32,961 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:32,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:32,962 INFO L82 PathProgramCache]: Analyzing trace with hash -83452995, now seen corresponding path program 1 times [2020-09-21 11:11:32,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:32,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785534657] [2020-09-21 11:11:32,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:11:33,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:11:33,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:33,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:11:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:11:33,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,421 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:33,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:33,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:33,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:33,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:33,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:33,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:33,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:33,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:33,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:33,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:33,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:33,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:33,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:33,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:33,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:33,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:33,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:33,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:33,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:33,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:33,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,561 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 11:11:33,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785534657] [2020-09-21 11:11:33,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:33,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:33,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125034198] [2020-09-21 11:11:33,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:33,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:33,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:33,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:33,569 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 4 states. [2020-09-21 11:11:33,987 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:34,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:34,562 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2020-09-21 11:11:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:34,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:11:34,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:34,565 INFO L225 Difference]: With dead ends: 176 [2020-09-21 11:11:34,566 INFO L226 Difference]: Without dead ends: 116 [2020-09-21 11:11:34,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:34,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-09-21 11:11:34,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-09-21 11:11:34,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-21 11:11:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2020-09-21 11:11:34,599 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2020-09-21 11:11:34,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:34,599 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2020-09-21 11:11:34,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:34,600 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2020-09-21 11:11:34,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:11:34,604 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:34,604 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 11:11:34,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:11:34,606 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:34,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:34,606 INFO L82 PathProgramCache]: Analyzing trace with hash 474814694, now seen corresponding path program 1 times [2020-09-21 11:11:34,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:34,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444213374] [2020-09-21 11:11:34,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:34,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:11:34,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-21 11:11:34,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:34,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:11:34,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:35,102 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:35,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:35,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:35,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:35,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:35,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:35,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:35,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:35,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:11:35,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:35,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:35,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:35,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:35,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:35,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:35,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:35,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:35,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:35,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:35,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:35,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:35,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:35,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:35,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:35,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:35,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:35,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:35,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:35,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:35,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:35,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:35,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:35,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:35,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:35,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:35,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:35,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:35,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:35,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:35,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:35,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:35,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:35,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:35,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:35,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:35,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:35,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:35,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:35,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:35,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:35,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:35,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:35,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:35,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:35,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:35,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:35,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:35,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:11:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:35,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:35,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:35,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:35,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:35,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:35,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:35,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:35,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:35,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:35,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:11:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:35,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:35,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:35,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:35,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:35,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:35,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:35,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:35,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:35,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:35,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:35,245 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 11:11:35,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444213374] [2020-09-21 11:11:35,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:35,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:35,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277770660] [2020-09-21 11:11:35,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:35,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:35,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:35,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:35,247 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 4 states. [2020-09-21 11:11:35,602 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:36,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:36,212 INFO L93 Difference]: Finished difference Result 185 states and 226 transitions. [2020-09-21 11:11:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:36,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:11:36,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:36,215 INFO L225 Difference]: With dead ends: 185 [2020-09-21 11:11:36,215 INFO L226 Difference]: Without dead ends: 116 [2020-09-21 11:11:36,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:36,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-09-21 11:11:36,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-09-21 11:11:36,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-21 11:11:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2020-09-21 11:11:36,246 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2020-09-21 11:11:36,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:36,247 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2020-09-21 11:11:36,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:36,247 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2020-09-21 11:11:36,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:11:36,249 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:36,249 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 11:11:36,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:11:36,250 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:36,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:36,250 INFO L82 PathProgramCache]: Analyzing trace with hash -634354162, now seen corresponding path program 1 times [2020-09-21 11:11:36,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:36,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [430428249] [2020-09-21 11:11:36,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:36,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:11:36,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-09-21 11:11:36,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:11:36,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:11:36,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:37,165 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:37,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:37,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-21 11:11:37,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:37,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:37,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:37,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:37,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:37,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:37,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:37,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:37,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:37,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:37,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:37,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:37,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:37,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:37,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:37,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:11:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:11:37,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:37,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:11:37,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:37,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:11:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:37,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:11:37,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:37,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:11:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:37,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:37,438 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 11:11:37,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [430428249] [2020-09-21 11:11:37,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:37,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:11:37,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390771672] [2020-09-21 11:11:37,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:11:37,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:37,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:11:37,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:11:37,441 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 8 states. [2020-09-21 11:11:37,848 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:38,926 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:39,261 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:39,586 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:39,902 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:40,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:40,574 INFO L93 Difference]: Finished difference Result 273 states and 357 transitions. [2020-09-21 11:11:40,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:11:40,574 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 11:11:40,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:40,578 INFO L225 Difference]: With dead ends: 273 [2020-09-21 11:11:40,578 INFO L226 Difference]: Without dead ends: 204 [2020-09-21 11:11:40,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:11:40,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-09-21 11:11:40,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2020-09-21 11:11:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-09-21 11:11:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 187 transitions. [2020-09-21 11:11:40,626 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 187 transitions. Word has length 59 [2020-09-21 11:11:40,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:40,626 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 187 transitions. [2020-09-21 11:11:40,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:11:40,626 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 187 transitions. [2020-09-21 11:11:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:11:40,628 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:40,629 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 11:11:40,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:11:40,629 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:40,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:40,629 INFO L82 PathProgramCache]: Analyzing trace with hash -504603404, now seen corresponding path program 1 times [2020-09-21 11:11:40,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:40,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573367147] [2020-09-21 11:11:40,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:11:41,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-09-21 11:11:41,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:11:41,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:41,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:11:41,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,565 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:41,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:11:41,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:41,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:41,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:41,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:41,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:41,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:41,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:41,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:41,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:41,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:41,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:41,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:41,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:41,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:41,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:41,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:41,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:41,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:41,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:41,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:41,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:41,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:11:41,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:11:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:11:41,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:11:41,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:41,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:41,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:41,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:11:41,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:41,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:41,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:41,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:11:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:41,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:41,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:41,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:11:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:41,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:41,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:41,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,804 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 11:11:41,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573367147] [2020-09-21 11:11:41,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:41,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:11:41,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632274319] [2020-09-21 11:11:41,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:11:41,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:41,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:11:41,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:11:41,807 INFO L87 Difference]: Start difference. First operand 160 states and 187 transitions. Second operand 11 states. [2020-09-21 11:11:42,371 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:43,075 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:43,974 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:44,449 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:44,799 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:45,224 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:45,519 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:46,520 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-09-21 11:11:47,515 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:11:48,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:48,556 INFO L93 Difference]: Finished difference Result 507 states and 660 transitions. [2020-09-21 11:11:48,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:11:48,556 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-09-21 11:11:48,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:48,561 INFO L225 Difference]: With dead ends: 507 [2020-09-21 11:11:48,561 INFO L226 Difference]: Without dead ends: 427 [2020-09-21 11:11:48,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-09-21 11:11:48,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-09-21 11:11:48,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 322. [2020-09-21 11:11:48,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-09-21 11:11:48,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 375 transitions. [2020-09-21 11:11:48,655 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 375 transitions. Word has length 63 [2020-09-21 11:11:48,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:48,656 INFO L479 AbstractCegarLoop]: Abstraction has 322 states and 375 transitions. [2020-09-21 11:11:48,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:11:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 375 transitions. [2020-09-21 11:11:48,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:11:48,658 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:48,658 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 11:11:48,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:11:48,658 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:48,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:48,659 INFO L82 PathProgramCache]: Analyzing trace with hash 234743316, now seen corresponding path program 1 times [2020-09-21 11:11:48,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:48,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467467161] [2020-09-21 11:11:48,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:48,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:48,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:48,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:48,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:48,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:11:48,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:48,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-09-21 11:11:48,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:11:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:11:48,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:49,288 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:49,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:49,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:49,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:49,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:49,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:49,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:49,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:49,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:11:49,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:49,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:49,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:49,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:49,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:49,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:49,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:49,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:49,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:49,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:49,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:49,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:49,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:49,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:49,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:49,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:49,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:49,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:49,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:49,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:49,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:49,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:49,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:49,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:49,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:49,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:49,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:49,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:49,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:49,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:49,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:49,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:49,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:49,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:49,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:49,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:49,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:49,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:49,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:49,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:49,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:49,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:49,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:49,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:11:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:49,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:49,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:49,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:49,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:49,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:49,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:49,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:49,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:49,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:49,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:49,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:49,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:49,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:49,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:11:49,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:49,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:11:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:49,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:49,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:49,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:49,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:49,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:49,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:49,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:49,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:49,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:49,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:49,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:49,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:49,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:49,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:49,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:11:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:49,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:49,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:49,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:49,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:49,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:49,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:49,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:49,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:49,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:49,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:11:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:49,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:49,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:49,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:49,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:49,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:49,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:49,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:49,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:49,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:49,510 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 11:11:49,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467467161] [2020-09-21 11:11:49,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:49,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:11:49,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138420682] [2020-09-21 11:11:49,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:11:49,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:49,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:11:49,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:11:49,513 INFO L87 Difference]: Start difference. First operand 322 states and 375 transitions. Second operand 6 states. [2020-09-21 11:11:49,844 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:50,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:50,259 INFO L93 Difference]: Finished difference Result 414 states and 496 transitions. [2020-09-21 11:11:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:11:50,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-09-21 11:11:50,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:50,260 INFO L225 Difference]: With dead ends: 414 [2020-09-21 11:11:50,260 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:11:50,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:11:50,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:11:50,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:11:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:11:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:11:50,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-09-21 11:11:50,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:50,264 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:11:50,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:11:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:11:50,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:11:50,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:11:50,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:11:50,476 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:50,642 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:50,813 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:50,983 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:51,149 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:51,323 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:51,492 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:52,058 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 191 [2020-09-21 11:11:52,203 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:52,377 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:52,538 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:52,700 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:52,857 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:53,012 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:53,168 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:53,346 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:53,501 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:53,654 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:53,814 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:53,970 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:54,125 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:54,374 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:54,622 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:54,866 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:55,020 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:55,173 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:55,326 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:55,479 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:55,633 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:55,800 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:55,959 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:56,448 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 203 [2020-09-21 11:11:56,614 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:56,783 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:56,955 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:57,108 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:57,261 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:57,656 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 190 [2020-09-21 11:11:57,814 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:57,975 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:58,322 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:11:58,657 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:11:58,985 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:11:59,409 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 203 [2020-09-21 11:12:00,048 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:00,259 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:00,485 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:00,723 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:01,063 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:01,279 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:01,923 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:02,602 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:12:03,303 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:03,947 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:04,167 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:04,386 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:04,988 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:12:05,218 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:05,360 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 23 [2020-09-21 11:12:05,564 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:05,733 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:05,892 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:06,083 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:06,382 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:07,097 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-09-21 11:12:07,219 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 23 [2020-09-21 11:12:07,224 INFO L268 CegarLoopResult]: For program point L225(lines 202 226) no Hoare annotation was computed. [2020-09-21 11:12:07,225 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2020-09-21 11:12:07,225 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-09-21 11:12:07,225 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-09-21 11:12:07,225 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-21 11:12:07,225 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2020-09-21 11:12:07,225 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2020-09-21 11:12:07,225 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2020-09-21 11:12:07,226 INFO L268 CegarLoopResult]: For program point L286(lines 259 287) no Hoare annotation was computed. [2020-09-21 11:12:07,226 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-09-21 11:12:07,226 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-09-21 11:12:07,226 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2020-09-21 11:12:07,227 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2020-09-21 11:12:07,227 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-09-21 11:12:07,227 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2020-09-21 11:12:07,227 INFO L268 CegarLoopResult]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2020-09-21 11:12:07,227 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-21 11:12:07,228 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2020-09-21 11:12:07,228 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2020-09-21 11:12:07,228 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2020-09-21 11:12:07,228 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2020-09-21 11:12:07,228 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 872 880) the Hoare annotation is: true [2020-09-21 11:12:07,228 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 872 880) no Hoare annotation was computed. [2020-09-21 11:12:07,229 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:07,229 INFO L268 CegarLoopResult]: For program point L512-1(line 512) no Hoare annotation was computed. [2020-09-21 11:12:07,229 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 502 526) the Hoare annotation is: true [2020-09-21 11:12:07,229 INFO L268 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2020-09-21 11:12:07,229 INFO L268 CegarLoopResult]: For program point L510-1(lines 502 526) no Hoare annotation was computed. [2020-09-21 11:12:07,229 INFO L271 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: true [2020-09-21 11:12:07,229 INFO L268 CegarLoopResult]: For program point L508-1(line 508) no Hoare annotation was computed. [2020-09-21 11:12:07,229 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 502 526) no Hoare annotation was computed. [2020-09-21 11:12:07,229 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:07,229 INFO L268 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2020-09-21 11:12:07,230 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 606 628) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:07,230 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 606 628) no Hoare annotation was computed. [2020-09-21 11:12:07,230 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 606 628) no Hoare annotation was computed. [2020-09-21 11:12:07,230 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:07,230 INFO L264 CegarLoopResult]: At program point L618-1(line 618) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:07,230 INFO L268 CegarLoopResult]: For program point L616(lines 616 623) no Hoare annotation was computed. [2020-09-21 11:12:07,231 INFO L268 CegarLoopResult]: For program point L616-1(lines 616 623) no Hoare annotation was computed. [2020-09-21 11:12:07,231 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-09-21 11:12:07,231 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:07,231 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:07,231 INFO L264 CegarLoopResult]: At program point L612-1(line 612) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:07,231 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 11:12:07,232 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-09-21 11:12:07,232 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 561 584) no Hoare annotation was computed. [2020-09-21 11:12:07,232 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-09-21 11:12:07,232 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 11:12:07,232 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-09-21 11:12:07,232 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 561 584) no Hoare annotation was computed. [2020-09-21 11:12:07,232 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 11:12:07,232 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 561 584) no Hoare annotation was computed. [2020-09-21 11:12:07,232 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 11:12:07,233 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-09-21 11:12:07,233 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-21 11:12:07,233 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:12:07,233 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-09-21 11:12:07,233 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-21 11:12:07,233 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-09-21 11:12:07,233 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-09-21 11:12:07,233 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 659 665) no Hoare annotation was computed. [2020-09-21 11:12:07,233 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 659 665) the Hoare annotation is: true [2020-09-21 11:12:07,234 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 692 699) no Hoare annotation was computed. [2020-09-21 11:12:07,234 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 692 699) no Hoare annotation was computed. [2020-09-21 11:12:07,234 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 692 699) no Hoare annotation was computed. [2020-09-21 11:12:07,234 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 736 744) no Hoare annotation was computed. [2020-09-21 11:12:07,234 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 736 744) the Hoare annotation is: true [2020-09-21 11:12:07,234 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 736 744) no Hoare annotation was computed. [2020-09-21 11:12:07,234 INFO L268 CegarLoopResult]: For program point L764(lines 764 772) no Hoare annotation was computed. [2020-09-21 11:12:07,234 INFO L268 CegarLoopResult]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2020-09-21 11:12:07,235 INFO L268 CegarLoopResult]: For program point L752(lines 752 760) no Hoare annotation was computed. [2020-09-21 11:12:07,235 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 745 780) no Hoare annotation was computed. [2020-09-21 11:12:07,235 INFO L268 CegarLoopResult]: For program point L752-2(lines 752 760) no Hoare annotation was computed. [2020-09-21 11:12:07,235 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-09-21 11:12:07,235 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 745 780) no Hoare annotation was computed. [2020-09-21 11:12:07,235 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-09-21 11:12:07,235 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 745 780) no Hoare annotation was computed. [2020-09-21 11:12:07,235 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2020-09-21 11:12:07,236 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2020-09-21 11:12:07,236 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2020-09-21 11:12:07,236 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2020-09-21 11:12:07,236 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2020-09-21 11:12:07,236 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2020-09-21 11:12:07,236 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-09-21 11:12:07,236 INFO L268 CegarLoopResult]: For program point L459(lines 459 479) no Hoare annotation was computed. [2020-09-21 11:12:07,236 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2020-09-21 11:12:07,237 INFO L268 CegarLoopResult]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2020-09-21 11:12:07,237 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2020-09-21 11:12:07,237 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 593 602) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:07,237 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 593 602) no Hoare annotation was computed. [2020-09-21 11:12:07,237 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 593 602) no Hoare annotation was computed. [2020-09-21 11:12:07,237 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 725 735) the Hoare annotation is: true [2020-09-21 11:12:07,238 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 725 735) no Hoare annotation was computed. [2020-09-21 11:12:07,238 INFO L271 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: true [2020-09-21 11:12:07,238 INFO L268 CegarLoopResult]: For program point L730-1(line 730) no Hoare annotation was computed. [2020-09-21 11:12:07,238 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 725 735) no Hoare annotation was computed. [2020-09-21 11:12:07,238 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 717 724) the Hoare annotation is: true [2020-09-21 11:12:07,238 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 717 724) no Hoare annotation was computed. [2020-09-21 11:12:07,238 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 717 724) no Hoare annotation was computed. [2020-09-21 11:12:07,239 INFO L264 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:07,239 INFO L268 CegarLoopResult]: For program point L673-1(line 673) no Hoare annotation was computed. [2020-09-21 11:12:07,239 INFO L268 CegarLoopResult]: For program point L671(lines 671 688) no Hoare annotation was computed. [2020-09-21 11:12:07,239 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 667 691) no Hoare annotation was computed. [2020-09-21 11:12:07,239 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 667 691) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:07,239 INFO L264 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:07,239 INFO L268 CegarLoopResult]: For program point L686-1(lines 667 691) no Hoare annotation was computed. [2020-09-21 11:12:07,240 INFO L264 CegarLoopResult]: At program point L681(line 681) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:07,240 INFO L264 CegarLoopResult]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:07,240 INFO L268 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-09-21 11:12:07,240 INFO L264 CegarLoopResult]: At program point testENTRY(lines 782 845) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:07,240 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-09-21 11:12:07,240 INFO L264 CegarLoopResult]: At program point L828-2(lines 822 833) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:07,240 INFO L268 CegarLoopResult]: For program point L793(lines 792 837) no Hoare annotation was computed. [2020-09-21 11:12:07,241 INFO L268 CegarLoopResult]: For program point testFINAL(lines 782 845) no Hoare annotation was computed. [2020-09-21 11:12:07,241 INFO L268 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2020-09-21 11:12:07,241 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:07,241 INFO L268 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-09-21 11:12:07,241 INFO L268 CegarLoopResult]: For program point L812-1(lines 812 818) no Hoare annotation was computed. [2020-09-21 11:12:07,241 INFO L264 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:07,241 INFO L264 CegarLoopResult]: At program point L835(lines 792 837) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:07,242 INFO L268 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2020-09-21 11:12:07,242 INFO L268 CegarLoopResult]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2020-09-21 11:12:07,242 INFO L268 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-09-21 11:12:07,242 INFO L264 CegarLoopResult]: At program point L838(lines 791 839) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:12:07,242 INFO L268 CegarLoopResult]: For program point testEXIT(lines 782 845) no Hoare annotation was computed. [2020-09-21 11:12:07,242 INFO L268 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-09-21 11:12:07,242 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-09-21 11:12:07,242 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2020-09-21 11:12:07,242 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2020-09-21 11:12:07,243 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2020-09-21 11:12:07,243 INFO L268 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-09-21 11:12:07,243 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:12:07,243 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:12:07,243 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-09-21 11:12:07,243 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:12:07,243 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-09-21 11:12:07,243 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-09-21 11:12:07,243 INFO L268 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-09-21 11:12:07,244 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2020-09-21 11:12:07,244 INFO L268 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-09-21 11:12:07,244 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2020-09-21 11:12:07,244 INFO L268 CegarLoopResult]: For program point L366(lines 344 367) no Hoare annotation was computed. [2020-09-21 11:12:07,244 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2020-09-21 11:12:07,244 INFO L268 CegarLoopResult]: For program point L325(lines 325 341) no Hoare annotation was computed. [2020-09-21 11:12:07,244 INFO L268 CegarLoopResult]: For program point L385(lines 385 392) no Hoare annotation was computed. [2020-09-21 11:12:07,244 INFO L268 CegarLoopResult]: For program point L346(lines 345 365) no Hoare annotation was computed. [2020-09-21 11:12:07,245 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-09-21 11:12:07,245 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-09-21 11:12:07,245 INFO L268 CegarLoopResult]: For program point L342(lines 342 383) no Hoare annotation was computed. [2020-09-21 11:12:07,245 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2020-09-21 11:12:07,245 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-09-21 11:12:07,245 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-09-21 11:12:07,245 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 848 857) no Hoare annotation was computed. [2020-09-21 11:12:07,245 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 848 857) no Hoare annotation was computed. [2020-09-21 11:12:07,245 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 848 857) no Hoare annotation was computed. [2020-09-21 11:12:07,246 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:07,246 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 11:12:07,246 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:07,246 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-09-21 11:12:07,246 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-09-21 11:12:07,246 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 700 716) no Hoare annotation was computed. [2020-09-21 11:12:07,247 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 700 716) no Hoare annotation was computed. [2020-09-21 11:12:07,247 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-09-21 11:12:07,247 INFO L268 CegarLoopResult]: For program point L711-1(lines 700 716) no Hoare annotation was computed. [2020-09-21 11:12:07,247 INFO L268 CegarLoopResult]: For program point L707(lines 707 713) no Hoare annotation was computed. [2020-09-21 11:12:07,247 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-09-21 11:12:07,247 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-09-21 11:12:07,247 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-09-21 11:12:07,247 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 11:12:07,248 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-09-21 11:12:07,248 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-09-21 11:12:07,248 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:07,248 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:12:07,248 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:07,248 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-09-21 11:12:07,248 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-09-21 11:12:07,248 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-09-21 11:12:07,249 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-09-21 11:12:07,249 INFO L268 CegarLoopResult]: For program point L639(lines 638 657) no Hoare annotation was computed. [2020-09-21 11:12:07,249 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 635 658) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:07,249 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 635 658) no Hoare annotation was computed. [2020-09-21 11:12:07,249 INFO L264 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:07,249 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 635 658) no Hoare annotation was computed. [2020-09-21 11:12:07,250 INFO L264 CegarLoopResult]: At program point L646(lines 646 652) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2))) [2020-09-21 11:12:07,250 INFO L268 CegarLoopResult]: For program point L544(lines 544 548) no Hoare annotation was computed. [2020-09-21 11:12:07,250 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 530 559) no Hoare annotation was computed. [2020-09-21 11:12:07,250 INFO L271 CegarLoopResult]: At program point L544-1(lines 544 548) the Hoare annotation is: true [2020-09-21 11:12:07,250 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:12:07,250 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 530 559) the Hoare annotation is: true [2020-09-21 11:12:07,250 INFO L271 CegarLoopResult]: At program point L540-2(lines 540 554) the Hoare annotation is: true [2020-09-21 11:12:07,250 INFO L271 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: true [2020-09-21 11:12:07,251 INFO L268 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-09-21 11:12:07,251 INFO L271 CegarLoopResult]: At program point L555(lines 530 559) the Hoare annotation is: true [2020-09-21 11:12:07,251 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 11:12:07,251 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-09-21 11:12:07,251 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-09-21 11:12:07,251 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-09-21 11:12:07,251 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 585 591) no Hoare annotation was computed. [2020-09-21 11:12:07,251 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 585 591) the Hoare annotation is: true [2020-09-21 11:12:07,251 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:07,252 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:12:07,252 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:12:07,252 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:07,252 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-09-21 11:12:07,252 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-09-21 11:12:07,252 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:12:07,252 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2020-09-21 11:12:07,253 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-09-21 11:12:07,253 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2020-09-21 11:12:07,253 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2020-09-21 11:12:07,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:12:07 BoogieIcfgContainer [2020-09-21 11:12:07,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:12:07,281 INFO L168 Benchmark]: Toolchain (without parser) took 38502.44 ms. Allocated memory was 139.5 MB in the beginning and 654.8 MB in the end (delta: 515.4 MB). Free memory was 102.1 MB in the beginning and 570.4 MB in the end (delta: -468.4 MB). Peak memory consumption was 537.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:07,281 INFO L168 Benchmark]: CDTParser took 0.89 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 11:12:07,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.72 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.4 MB in the beginning and 171.0 MB in the end (delta: -69.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:07,283 INFO L168 Benchmark]: Boogie Preprocessor took 97.11 ms. Allocated memory is still 201.9 MB. Free memory was 171.0 MB in the beginning and 166.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:07,284 INFO L168 Benchmark]: RCFGBuilder took 1175.57 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 166.8 MB in the beginning and 200.6 MB in the end (delta: -33.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:07,285 INFO L168 Benchmark]: TraceAbstraction took 36502.57 ms. Allocated memory was 235.4 MB in the beginning and 654.8 MB in the end (delta: 419.4 MB). Free memory was 200.6 MB in the beginning and 570.4 MB in the end (delta: -369.8 MB). Peak memory consumption was 540.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:07,288 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 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 715.72 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.4 MB in the beginning and 171.0 MB in the end (delta: -69.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.11 ms. Allocated memory is still 201.9 MB. Free memory was 171.0 MB in the beginning and 166.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1175.57 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 166.8 MB in the beginning and 200.6 MB in the end (delta: -33.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36502.57 ms. Allocated memory was 235.4 MB in the beginning and 654.8 MB in the end (delta: 419.4 MB). Free memory was 200.6 MB in the beginning and 570.4 MB in the end (delta: -369.8 MB). Peak memory consumption was 540.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((2 == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || ((waterLevel == 1 && splverifierCounter <= 0) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 550 SDtfs, 949 SDslu, 462 SDs, 0 SdLazy, 2351 SolverSat, 654 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=322occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 225 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 342 PreInvPairs, 362 NumberOfFragments, 961 HoareAnnotationTreeSize, 342 FomulaSimplifications, 65172 FormulaSimplificationTreeSizeReduction, 9.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 7774 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 323 ConstructedInterpolants, 0 QuantifiedInterpolants, 92018 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...