/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_spec1_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:03:39,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:03:39,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:03:39,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:03:39,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:03:39,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:03:39,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:03:39,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:03:39,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:03:39,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:03:39,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:03:39,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:03:39,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:03:39,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:03:39,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:03:39,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:03:39,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:03:39,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:03:39,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:03:39,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:03:39,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:03:39,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:03:39,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:03:39,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:03:39,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:03:39,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:03:39,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:03:39,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:03:39,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:03:39,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:03:39,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:03:39,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:03:39,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:03:39,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:03:39,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:03:39,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:03:39,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:03:39,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:03:39,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:03:39,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:03:39,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:03:39,812 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 11:03:39,839 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:03:39,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:03:39,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:03:39,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:03:39,842 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:03:39,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:03:39,842 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:03:39,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:03:39,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:03:39,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:03:39,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:03:39,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:03:39,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:03:39,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:03:39,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:03:39,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:03:39,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:03:39,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:03:39,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:03:39,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:03:39,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:03:39,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:39,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:03:39,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:03:39,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:03:39,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:03:39,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:03:39,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:03:39,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:03:39,847 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 11:03:40,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:03:40,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:03:40,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:03:40,333 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:03:40,333 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:03:40,335 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2020-09-21 11:03:40,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7dc94176/3e9ee4e77a20439582943bd0857b922a/FLAG7a374c692 [2020-09-21 11:03:41,044 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:03:41,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2020-09-21 11:03:41,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7dc94176/3e9ee4e77a20439582943bd0857b922a/FLAG7a374c692 [2020-09-21 11:03:41,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7dc94176/3e9ee4e77a20439582943bd0857b922a [2020-09-21 11:03:41,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:03:41,335 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:03:41,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:41,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:03:41,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:03:41,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:41" (1/1) ... [2020-09-21 11:03:41,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:41, skipping insertion in model container [2020-09-21 11:03:41,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:41" (1/1) ... [2020-09-21 11:03:41,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:03:41,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:03:41,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:41,861 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:03:42,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:42,088 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:03:42,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:42 WrapperNode [2020-09-21 11:03:42,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:42,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:03:42,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:03:42,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:03:42,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:42" (1/1) ... [2020-09-21 11:03:42,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:42" (1/1) ... [2020-09-21 11:03:42,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:42" (1/1) ... [2020-09-21 11:03:42,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:42" (1/1) ... [2020-09-21 11:03:42,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:42" (1/1) ... [2020-09-21 11:03:42,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:42" (1/1) ... [2020-09-21 11:03:42,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:42" (1/1) ... [2020-09-21 11:03:42,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:03:42,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:03:42,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:03:42,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:03:42,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:42" (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 11:03:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:03:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:03:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:03:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:03:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:03:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:03:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:03:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:03:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:03:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:03:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:03:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:03:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:03:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:03:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:03:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:03:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:03:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:03:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:03:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:03:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:03:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:03:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:03:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:03:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:03:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:03:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:03:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:03:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:03:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:03:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:03:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:03:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:03:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:03:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:03:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:03:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:03:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:03:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:03:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:03:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:03:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:03:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:03:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:03:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:03:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:03:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:03:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:03:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:03:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:03:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:03:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:03:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:03:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:03:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:03:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:03:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:03:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:03:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:03:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:03:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:03:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:03:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:03:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:03:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:03:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:03:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:03:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:03:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:03:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:03:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:03:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:03:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:03:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:03:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:03:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:03:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:03:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:03:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:03:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:03:43,412 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:03:43,412 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:03:43,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:43 BoogieIcfgContainer [2020-09-21 11:03:43,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:03:43,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:03:43,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:03:43,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:03:43,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:03:41" (1/3) ... [2020-09-21 11:03:43,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3bed3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:43, skipping insertion in model container [2020-09-21 11:03:43,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:42" (2/3) ... [2020-09-21 11:03:43,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3bed3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:43, skipping insertion in model container [2020-09-21 11:03:43,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:43" (3/3) ... [2020-09-21 11:03:43,435 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2020-09-21 11:03:43,449 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:03:43,462 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:03:43,486 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:03:43,515 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:03:43,515 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:03:43,516 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:03:43,516 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:03:43,516 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:03:43,516 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:03:43,516 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:03:43,517 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:03:43,545 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-09-21 11:03:43,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:03:43,560 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:43,561 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 11:03:43,563 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:43,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:43,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1656693651, now seen corresponding path program 1 times [2020-09-21 11:03:43,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:43,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197884091] [2020-09-21 11:03:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:44,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:44,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:44,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:44,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:44,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:03:44,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:44,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:03:44,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:03:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:44,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:44,409 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:44,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:44,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:44,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:44,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:44,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:44,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:44,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:44,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:44,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:44,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:44,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:44,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:44,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:44,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:44,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:44,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:44,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:44,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:44,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:44,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:44,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:44,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:44,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:44,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:44,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:44,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:44,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:44,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:44,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:44,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:44,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:44,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:44,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:44,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:44,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:44,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:44,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:44,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:44,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:44,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:44,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:44,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:44,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:44,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:44,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:44,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:44,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:44,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:44,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:44,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:44,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:44,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:44,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:44,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:44,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:03:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:44,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:44,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:44,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:44,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:44,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:44,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:44,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:44,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:44,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:44,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:44,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:44,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:44,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:44,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:44,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:44,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:44,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:44,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:44,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:44,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:44,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:44,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:44,547 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 11:03:44,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197884091] [2020-09-21 11:03:44,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:44,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:03:44,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148415122] [2020-09-21 11:03:44,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:03:44,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:44,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:03:44,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:44,584 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 3 states. [2020-09-21 11:03:45,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:45,611 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2020-09-21 11:03:45,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:03:45,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:03:45,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:45,633 INFO L225 Difference]: With dead ends: 261 [2020-09-21 11:03:45,633 INFO L226 Difference]: Without dead ends: 142 [2020-09-21 11:03:45,639 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 11:03:45,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-09-21 11:03:45,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-09-21 11:03:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-21 11:03:45,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-09-21 11:03:45,774 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-09-21 11:03:45,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:45,777 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-09-21 11:03:45,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:03:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-09-21 11:03:45,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:03:45,783 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:45,784 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 11:03:45,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:03:45,785 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:45,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:45,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1393271361, now seen corresponding path program 1 times [2020-09-21 11:03:45,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:45,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624375409] [2020-09-21 11:03:45,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:45,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:45,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:45,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:45,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:45,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:03:45,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:45,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:03:45,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:45,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:45,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:03:45,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:03:45,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,261 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:46,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,381 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 11:03:46,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624375409] [2020-09-21 11:03:46,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:46,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:46,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939802876] [2020-09-21 11:03:46,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:46,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:46,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:46,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:46,386 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-09-21 11:03:46,897 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:47,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:47,579 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-09-21 11:03:47,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:47,580 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:03:47,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:47,583 INFO L225 Difference]: With dead ends: 188 [2020-09-21 11:03:47,584 INFO L226 Difference]: Without dead ends: 126 [2020-09-21 11:03:47,585 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 11:03:47,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-21 11:03:47,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2020-09-21 11:03:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-21 11:03:47,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-09-21 11:03:47,619 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-09-21 11:03:47,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:47,619 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-09-21 11:03:47,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:47,620 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-09-21 11:03:47,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:03:47,622 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:47,622 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 11:03:47,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:03:47,622 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:47,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:47,623 INFO L82 PathProgramCache]: Analyzing trace with hash -618356964, now seen corresponding path program 1 times [2020-09-21 11:03:47,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:47,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [820272893] [2020-09-21 11:03:47,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:03:48,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:03:48,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-09-21 11:03:48,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:03:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:03:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,315 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:48,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:48,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:03:48,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:48,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:48,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:48,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:48,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:48,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:48,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:48,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:48,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:48,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:48,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:48,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:48,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:03:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:48,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:48,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:03:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:48,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:48,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:48,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:48,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,480 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 11:03:48,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [820272893] [2020-09-21 11:03:48,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:48,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:48,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931729983] [2020-09-21 11:03:48,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:48,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:48,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:48,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:48,482 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 4 states. [2020-09-21 11:03:48,790 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:50,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:50,086 INFO L93 Difference]: Finished difference Result 290 states and 359 transitions. [2020-09-21 11:03:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:50,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:03:50,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:50,090 INFO L225 Difference]: With dead ends: 290 [2020-09-21 11:03:50,091 INFO L226 Difference]: Without dead ends: 213 [2020-09-21 11:03:50,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:50,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-09-21 11:03:50,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 172. [2020-09-21 11:03:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-21 11:03:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 205 transitions. [2020-09-21 11:03:50,147 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 205 transitions. Word has length 51 [2020-09-21 11:03:50,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:50,147 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 205 transitions. [2020-09-21 11:03:50,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 205 transitions. [2020-09-21 11:03:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:03:50,150 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:50,150 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] [2020-09-21 11:03:50,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:03:50,151 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:50,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:50,153 INFO L82 PathProgramCache]: Analyzing trace with hash -984041994, now seen corresponding path program 1 times [2020-09-21 11:03:50,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:50,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624672085] [2020-09-21 11:03:50,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:50,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:50,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:50,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:50,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:50,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:03:50,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:50,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-09-21 11:03:50,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:50,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:50,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:03:50,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:50,893 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:50,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:50,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:50,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:50,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:50,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:50,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:50,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:50,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:03:50,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:50,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:50,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:51,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:51,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:51,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:03:51,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:03:51,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:03:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:03:51,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:51,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:51,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:03:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:51,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:51,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,188 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 11:03:51,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624672085] [2020-09-21 11:03:51,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:51,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:03:51,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49282899] [2020-09-21 11:03:51,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:03:51,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:51,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:03:51,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:03:51,191 INFO L87 Difference]: Start difference. First operand 172 states and 205 transitions. Second operand 8 states. [2020-09-21 11:03:51,629 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:52,889 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:53,250 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:53,563 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:53,852 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:54,291 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:55,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:55,125 INFO L93 Difference]: Finished difference Result 554 states and 724 transitions. [2020-09-21 11:03:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:03:55,129 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:03:55,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:55,139 INFO L225 Difference]: With dead ends: 554 [2020-09-21 11:03:55,139 INFO L226 Difference]: Without dead ends: 406 [2020-09-21 11:03:55,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:03:55,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-09-21 11:03:55,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 305. [2020-09-21 11:03:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-09-21 11:03:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 368 transitions. [2020-09-21 11:03:55,280 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 368 transitions. Word has length 57 [2020-09-21 11:03:55,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:55,281 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 368 transitions. [2020-09-21 11:03:55,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:03:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 368 transitions. [2020-09-21 11:03:55,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:03:55,284 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:55,284 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] [2020-09-21 11:03:55,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:03:55,284 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:55,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:55,285 INFO L82 PathProgramCache]: Analyzing trace with hash 348635386, now seen corresponding path program 1 times [2020-09-21 11:03:55,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:55,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843250966] [2020-09-21 11:03:55,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:55,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:55,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:55,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:55,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:55,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:03:55,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:55,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-09-21 11:03:55,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:55,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:03:55,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:55,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:03:55,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,065 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:56,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:56,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:03:56,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:56,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:56,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:56,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:56,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:56,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:56,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:56,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:56,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:56,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:56,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:56,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:03:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:56,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:56,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:03:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:03:56,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:56,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:56,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:03:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:56,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:56,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:03:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:56,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:56,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:56,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:56,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,280 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 11:03:56,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843250966] [2020-09-21 11:03:56,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:56,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:03:56,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775121870] [2020-09-21 11:03:56,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:03:56,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:56,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:03:56,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:03:56,283 INFO L87 Difference]: Start difference. First operand 305 states and 368 transitions. Second operand 9 states. [2020-09-21 11:03:56,746 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:57,759 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:58,114 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:58,429 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:58,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:58,816 INFO L93 Difference]: Finished difference Result 542 states and 694 transitions. [2020-09-21 11:03:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:03:58,817 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-21 11:03:58,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:58,818 INFO L225 Difference]: With dead ends: 542 [2020-09-21 11:03:58,818 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:03:58,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:03:58,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:03:58,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:03:58,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:03:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:03:58,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 11:03:58,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:58,821 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:03:58,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:03:58,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:03:58,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:03:58,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:03:58,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:03:59,056 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:59,213 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:59,368 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:59,534 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:59,896 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:04:00,056 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:00,495 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:00,745 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:04:01,017 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:01,280 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:01,426 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:01,690 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:01,932 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:04:02,086 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:02,235 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:02,385 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:02,533 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:02,690 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:02,845 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:03,004 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:03,144 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:03,292 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:03,441 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:03,594 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:03,749 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:03,898 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:04,055 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,204 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:04,358 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,507 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:04,654 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:04,804 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:04,957 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:05,113 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:05,266 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:05,418 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:05,571 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:05,714 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:05,868 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,031 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,180 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:06,328 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:06,483 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,627 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:06,777 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:06,930 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,287 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:04:07,615 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:04:07,857 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:04:08,103 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:08,352 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:08,584 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-09-21 11:04:08,832 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:09,073 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:04:09,225 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:09,381 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:09,542 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:09,689 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:09,833 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:09,990 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:10,143 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:10,459 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:04:10,603 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:10,755 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:10,904 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:11,052 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:11,211 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:11,358 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:11,502 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:11,655 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:11,811 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:11,963 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:12,115 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:12,452 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:04:12,615 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:12,763 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:12,908 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:13,061 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:13,215 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:13,368 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:13,516 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:13,664 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:13,812 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:13,955 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:14,108 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:14,258 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:14,405 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:14,725 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:04:15,127 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:04:15,375 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:15,729 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-09-21 11:04:15,928 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:16,162 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:16,354 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:16,606 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:17,008 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:17,247 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 11:04:17,660 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:04:18,077 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 11:04:18,534 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:18,759 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:18,981 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:19,411 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:04:19,647 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:19,864 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:20,083 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:20,301 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:20,526 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:20,782 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:21,216 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:21,463 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 8 [2020-09-21 11:04:21,482 INFO L268 CegarLoopResult]: For program point L256(lines 256 260) no Hoare annotation was computed. [2020-09-21 11:04:21,482 INFO L268 CegarLoopResult]: For program point L256-1(lines 256 260) no Hoare annotation was computed. [2020-09-21 11:04:21,482 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-09-21 11:04:21,483 INFO L268 CegarLoopResult]: For program point L250-2(lines 250 271) no Hoare annotation was computed. [2020-09-21 11:04:21,483 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 225 280) no Hoare annotation was computed. [2020-09-21 11:04:21,483 INFO L268 CegarLoopResult]: For program point L272(lines 249 273) no Hoare annotation was computed. [2020-09-21 11:04:21,483 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 225 280) no Hoare annotation was computed. [2020-09-21 11:04:21,484 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 225 280) no Hoare annotation was computed. [2020-09-21 11:04:21,484 INFO L268 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-09-21 11:04:21,484 INFO L268 CegarLoopResult]: For program point L313-1(lines 313 317) no Hoare annotation was computed. [2020-09-21 11:04:21,484 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 281 340) no Hoare annotation was computed. [2020-09-21 11:04:21,484 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-21 11:04:21,484 INFO L268 CegarLoopResult]: For program point L307-2(lines 307 332) no Hoare annotation was computed. [2020-09-21 11:04:21,485 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 281 340) no Hoare annotation was computed. [2020-09-21 11:04:21,485 INFO L268 CegarLoopResult]: For program point L333(lines 306 334) no Hoare annotation was computed. [2020-09-21 11:04:21,485 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 281 340) no Hoare annotation was computed. [2020-09-21 11:04:21,485 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-21 11:04:21,486 INFO L268 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-09-21 11:04:21,486 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 560 566) the Hoare annotation is: true [2020-09-21 11:04:21,486 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 560 566) no Hoare annotation was computed. [2020-09-21 11:04:21,486 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 567 575) no Hoare annotation was computed. [2020-09-21 11:04:21,486 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 567 575) the Hoare annotation is: true [2020-09-21 11:04:21,486 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 567 575) no Hoare annotation was computed. [2020-09-21 11:04:21,486 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 652 674) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:21,487 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 652 674) no Hoare annotation was computed. [2020-09-21 11:04:21,487 INFO L264 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:21,487 INFO L264 CegarLoopResult]: At program point L664-1(line 664) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:21,487 INFO L268 CegarLoopResult]: For program point L662(lines 662 669) no Hoare annotation was computed. [2020-09-21 11:04:21,487 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 669) no Hoare annotation was computed. [2020-09-21 11:04:21,487 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-09-21 11:04:21,487 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:21,488 INFO L264 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:21,488 INFO L264 CegarLoopResult]: At program point L658-1(line 658) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:21,488 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 652 674) no Hoare annotation was computed. [2020-09-21 11:04:21,488 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 610 633) no Hoare annotation was computed. [2020-09-21 11:04:21,488 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 610 633) no Hoare annotation was computed. [2020-09-21 11:04:21,489 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 610 633) no Hoare annotation was computed. [2020-09-21 11:04:21,489 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-09-21 11:04:21,489 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-09-21 11:04:21,489 INFO L268 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-09-21 11:04:21,489 INFO L268 CegarLoopResult]: For program point L625(line 625) no Hoare annotation was computed. [2020-09-21 11:04:21,489 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-09-21 11:04:21,489 INFO L268 CegarLoopResult]: For program point L623(line 623) no Hoare annotation was computed. [2020-09-21 11:04:21,490 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-09-21 11:04:21,490 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-09-21 11:04:21,490 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-09-21 11:04:21,490 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-09-21 11:04:21,490 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-09-21 11:04:21,490 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-09-21 11:04:21,490 INFO L268 CegarLoopResult]: For program point L616(line 616) no Hoare annotation was computed. [2020-09-21 11:04:21,490 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-09-21 11:04:21,491 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2020-09-21 11:04:21,491 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:04:21,491 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2020-09-21 11:04:21,491 INFO L264 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:21,491 INFO L268 CegarLoopResult]: For program point L834(lines 834 840) no Hoare annotation was computed. [2020-09-21 11:04:21,491 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2020-09-21 11:04:21,492 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2020-09-21 11:04:21,492 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2020-09-21 11:04:21,492 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-09-21 11:04:21,492 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2020-09-21 11:04:21,492 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2020-09-21 11:04:21,492 INFO L268 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2020-09-21 11:04:21,492 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-09-21 11:04:21,493 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2020-09-21 11:04:21,493 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2020-09-21 11:04:21,493 INFO L268 CegarLoopResult]: For program point L794(lines 794 802) no Hoare annotation was computed. [2020-09-21 11:04:21,493 INFO L268 CegarLoopResult]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2020-09-21 11:04:21,493 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 775 810) no Hoare annotation was computed. [2020-09-21 11:04:21,493 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-09-21 11:04:21,494 INFO L268 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-09-21 11:04:21,494 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2020-09-21 11:04:21,494 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-09-21 11:04:21,494 INFO L268 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-09-21 11:04:21,494 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2020-09-21 11:04:21,494 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 553 559) no Hoare annotation was computed. [2020-09-21 11:04:21,494 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 553 559) the Hoare annotation is: true [2020-09-21 11:04:21,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 179 224) no Hoare annotation was computed. [2020-09-21 11:04:21,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 179 224) no Hoare annotation was computed. [2020-09-21 11:04:21,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 179 224) no Hoare annotation was computed. [2020-09-21 11:04:21,495 INFO L268 CegarLoopResult]: For program point L512(lines 512 519) no Hoare annotation was computed. [2020-09-21 11:04:21,495 INFO L268 CegarLoopResult]: For program point L506(lines 506 526) no Hoare annotation was computed. [2020-09-21 11:04:21,495 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 492 537) no Hoare annotation was computed. [2020-09-21 11:04:21,496 INFO L268 CegarLoopResult]: For program point L506-1(lines 506 526) no Hoare annotation was computed. [2020-09-21 11:04:21,496 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 492 537) no Hoare annotation was computed. [2020-09-21 11:04:21,496 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 492 537) no Hoare annotation was computed. [2020-09-21 11:04:21,496 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 642 651) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:21,496 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 642 651) no Hoare annotation was computed. [2020-09-21 11:04:21,496 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 642 651) no Hoare annotation was computed. [2020-09-21 11:04:21,496 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2020-09-21 11:04:21,497 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2020-09-21 11:04:21,497 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-09-21 11:04:21,497 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-09-21 11:04:21,497 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 755 765) no Hoare annotation was computed. [2020-09-21 11:04:21,497 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2020-09-21 11:04:21,497 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-09-21 11:04:21,497 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-09-21 11:04:21,498 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:21,498 INFO L268 CegarLoopResult]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2020-09-21 11:04:21,498 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:21,498 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2020-09-21 11:04:21,498 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:21,498 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:21,498 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-09-21 11:04:21,499 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:21,499 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-09-21 11:04:21,499 INFO L268 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-09-21 11:04:21,499 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2020-09-21 11:04:21,499 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2020-09-21 11:04:21,499 INFO L264 CegarLoopResult]: At program point testENTRY(lines 846 911) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:21,499 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:21,499 INFO L268 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-09-21 11:04:21,499 INFO L264 CegarLoopResult]: At program point L892-1(lines 886 899) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:21,500 INFO L268 CegarLoopResult]: For program point L857(lines 856 903) no Hoare annotation was computed. [2020-09-21 11:04:21,500 INFO L268 CegarLoopResult]: For program point testFINAL(lines 846 911) no Hoare annotation was computed. [2020-09-21 11:04:21,500 INFO L268 CegarLoopResult]: For program point L886(lines 886 899) no Hoare annotation was computed. [2020-09-21 11:04:21,500 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:21,500 INFO L268 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2020-09-21 11:04:21,500 INFO L268 CegarLoopResult]: For program point L876-1(lines 876 882) no Hoare annotation was computed. [2020-09-21 11:04:21,500 INFO L264 CegarLoopResult]: At program point L901(lines 856 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:21,500 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:21,500 INFO L268 CegarLoopResult]: For program point L866(lines 866 872) no Hoare annotation was computed. [2020-09-21 11:04:21,500 INFO L268 CegarLoopResult]: For program point L866-1(lines 866 872) no Hoare annotation was computed. [2020-09-21 11:04:21,500 INFO L268 CegarLoopResult]: For program point L858(lines 858 862) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L264 CegarLoopResult]: At program point L904(lines 855 905) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point testEXIT(lines 846 911) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 446 491) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 446 491) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point L466(lines 466 473) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 446 491) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point L460(lines 460 480) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point L460-1(lines 460 480) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 163 171) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 163 171) the Hoare annotation is: true [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 163 171) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-09-21 11:04:21,501 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 343 445) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point L413(lines 391 414) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point L372(lines 372 388) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point L432(lines 432 439) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point L393(lines 392 412) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 343 445) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point L389(lines 389 430) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-09-21 11:04:21,502 INFO L268 CegarLoopResult]: For program point L408-1(line 408) no Hoare annotation was computed. [2020-09-21 11:04:21,503 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 343 445) no Hoare annotation was computed. [2020-09-21 11:04:21,503 INFO L268 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-09-21 11:04:21,503 INFO L268 CegarLoopResult]: For program point L431(lines 431 442) no Hoare annotation was computed. [2020-09-21 11:04:21,503 INFO L268 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-09-21 11:04:21,503 INFO L268 CegarLoopResult]: For program point L392-2(lines 392 412) no Hoare annotation was computed. [2020-09-21 11:04:21,503 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 543 552) no Hoare annotation was computed. [2020-09-21 11:04:21,503 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 543 552) no Hoare annotation was computed. [2020-09-21 11:04:21,503 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 543 552) no Hoare annotation was computed. [2020-09-21 11:04:21,503 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:21,503 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#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~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.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)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~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~string34.base| |old(#t~string34.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#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~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:04:21,503 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 154 162) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L268 CegarLoopResult]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:04:21,504 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:21,504 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2020-09-21 11:04:21,505 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2020-09-21 11:04:21,505 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2020-09-21 11:04:21,505 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:21,505 INFO L264 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:21,505 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:21,505 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:21,505 INFO L268 CegarLoopResult]: For program point L686(lines 685 704) no Hoare annotation was computed. [2020-09-21 11:04:21,505 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2020-09-21 11:04:21,505 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2020-09-21 11:04:21,506 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 579 608) no Hoare annotation was computed. [2020-09-21 11:04:21,506 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 579 608) the Hoare annotation is: true [2020-09-21 11:04:21,506 INFO L271 CegarLoopResult]: At program point L604(lines 579 608) the Hoare annotation is: true [2020-09-21 11:04:21,506 INFO L268 CegarLoopResult]: For program point L600(line 600) no Hoare annotation was computed. [2020-09-21 11:04:21,506 INFO L268 CegarLoopResult]: For program point L593(lines 593 597) no Hoare annotation was computed. [2020-09-21 11:04:21,506 INFO L271 CegarLoopResult]: At program point L593-1(lines 593 597) the Hoare annotation is: true [2020-09-21 11:04:21,506 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-09-21 11:04:21,506 INFO L271 CegarLoopResult]: At program point L589-2(lines 589 603) the Hoare annotation is: true [2020-09-21 11:04:21,506 INFO L271 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: true [2020-09-21 11:04:21,507 INFO L268 CegarLoopResult]: For program point L585-1(line 585) no Hoare annotation was computed. [2020-09-21 11:04:21,507 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2020-09-21 11:04:21,507 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2020-09-21 11:04:21,507 INFO L268 CegarLoopResult]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2020-09-21 11:04:21,507 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 634 640) no Hoare annotation was computed. [2020-09-21 11:04:21,507 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 634 640) the Hoare annotation is: true [2020-09-21 11:04:21,507 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:21,507 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:04:21,507 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:04:21,507 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:21,507 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2020-09-21 11:04:21,508 INFO L268 CegarLoopResult]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2020-09-21 11:04:21,508 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:04:21,508 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2020-09-21 11:04:21,508 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2020-09-21 11:04:21,508 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2020-09-21 11:04:21,508 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2020-09-21 11:04:21,508 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-09-21 11:04:21,509 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:04:21,509 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-09-21 11:04:21,509 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-09-21 11:04:21,509 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-09-21 11:04:21,509 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-09-21 11:04:21,509 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-09-21 11:04:21,509 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-09-21 11:04:21,509 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-09-21 11:04:21,510 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-09-21 11:04:21,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:04:21 BoogieIcfgContainer [2020-09-21 11:04:21,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:04:21,534 INFO L168 Benchmark]: Toolchain (without parser) took 40204.24 ms. Allocated memory was 137.9 MB in the beginning and 616.6 MB in the end (delta: 478.7 MB). Free memory was 99.6 MB in the beginning and 524.6 MB in the end (delta: -425.1 MB). Peak memory consumption was 501.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:21,534 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:04:21,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.81 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 98.9 MB in the beginning and 171.4 MB in the end (delta: -72.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:21,536 INFO L168 Benchmark]: Boogie Preprocessor took 98.11 ms. Allocated memory is still 201.3 MB. Free memory was 171.4 MB in the beginning and 167.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:21,536 INFO L168 Benchmark]: RCFGBuilder took 1234.65 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 167.2 MB in the beginning and 200.9 MB in the end (delta: -33.7 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:21,537 INFO L168 Benchmark]: TraceAbstraction took 38106.55 ms. Allocated memory was 231.7 MB in the beginning and 616.6 MB in the end (delta: 384.8 MB). Free memory was 199.5 MB in the beginning and 524.6 MB in the end (delta: -325.2 MB). Peak memory consumption was 507.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:21,540 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.81 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 98.9 MB in the beginning and 171.4 MB in the end (delta: -72.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.11 ms. Allocated memory is still 201.3 MB. Free memory was 171.4 MB in the beginning and 167.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1234.65 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 167.2 MB in the beginning and 200.9 MB in the end (delta: -33.7 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38106.55 ms. Allocated memory was 231.7 MB in the beginning and 616.6 MB in the end (delta: 384.8 MB). Free memory was 199.5 MB in the beginning and 524.6 MB in the end (delta: -325.2 MB). Peak memory consumption was 507.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 475 SDtfs, 640 SDslu, 307 SDs, 0 SdLazy, 1489 SolverSat, 398 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 199 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 386 PreInvPairs, 437 NumberOfFragments, 649 HoareAnnotationTreeSize, 386 FomulaSimplifications, 45014 FormulaSimplificationTreeSizeReduction, 15.8s HoareSimplificationTime, 52 FomulaSimplificationsInter, 12728 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 72784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...