/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:42:46,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:42:46,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:42:47,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:42:47,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:42:47,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:42:47,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:42:47,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:42:47,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:42:47,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:42:47,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:42:47,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:42:47,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:42:47,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:42:47,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:42:47,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:42:47,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:42:47,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:42:47,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:42:47,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:42:47,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:42:47,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:42:47,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:42:47,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:42:47,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:42:47,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:42:47,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:42:47,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:42:47,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:42:47,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:42:47,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:42:47,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:42:47,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:42:47,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:42:47,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:42:47,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:42:47,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:42:47,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:42:47,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:42:47,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:42:47,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:42:47,093 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 [2020-10-13 12:42:47,115 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:42:47,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:42:47,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:42:47,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:42:47,117 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:42:47,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:42:47,117 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:42:47,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:42:47,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:42:47,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:42:47,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:42:47,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:42:47,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:42:47,119 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:42:47,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:42:47,119 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:42:47,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:42:47,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:42:47,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:42:47,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:42:47,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:42:47,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:42:47,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:42:47,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:42:47,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:42:47,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:42:47,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:42:47,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:42:47,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:42:47,122 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:42:47,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:42:47,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:42:47,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:42:47,421 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:42:47,421 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:42:47,422 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2020-10-13 12:42:47,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c6e4ee70/07181f89f444493a9c18e4857ae192bc/FLAG7d7d283ae [2020-10-13 12:42:47,996 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:42:47,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2020-10-13 12:42:48,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c6e4ee70/07181f89f444493a9c18e4857ae192bc/FLAG7d7d283ae [2020-10-13 12:42:48,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c6e4ee70/07181f89f444493a9c18e4857ae192bc [2020-10-13 12:42:48,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:42:48,306 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:42:48,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:42:48,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:42:48,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:42:48,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:42:48" (1/1) ... [2020-10-13 12:42:48,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7503bbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:48, skipping insertion in model container [2020-10-13 12:42:48,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:42:48" (1/1) ... [2020-10-13 12:42:48,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:42:48,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:42:48,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:42:48,760 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:42:49,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:42:49,065 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:42:49,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:49 WrapperNode [2020-10-13 12:42:49,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:42:49,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:42:49,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:42:49,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:42:49,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:49" (1/1) ... [2020-10-13 12:42:49,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:49" (1/1) ... [2020-10-13 12:42:49,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:49" (1/1) ... [2020-10-13 12:42:49,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:49" (1/1) ... [2020-10-13 12:42:49,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:49" (1/1) ... [2020-10-13 12:42:49,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:49" (1/1) ... [2020-10-13 12:42:49,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:49" (1/1) ... [2020-10-13 12:42:49,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:42:49,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:42:49,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:42:49,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:42:49,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:49" (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 [2020-10-13 12:42:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:42:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:42:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:42:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:42:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:42:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:42:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:42:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:42:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:42:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:42:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:42:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:42:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:42:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:42:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:42:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:42:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:42:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:42:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:42:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:42:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:42:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:42:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:42:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:42:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:42:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:42:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:42:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:42:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:42:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:42:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:42:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:42:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:42:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:42:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:42:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:42:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:42:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:42:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-13 12:42:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:42:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:42:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:42:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:42:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:42:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:42:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:42:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:42:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:42:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:42:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:42:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:42:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:42:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:42:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:42:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:42:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:42:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:42:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:42:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:42:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:42:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-13 12:42:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:42:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:42:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:42:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:42:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:42:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:42:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:42:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:42:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:42:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:42:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:42:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:42:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:42:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:42:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:42:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:42:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:42:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:42:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:42:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:42:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:42:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:42:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:42:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:42:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:42:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:42:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:42:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:42:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:42:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:42:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:42:50,277 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:42:50,277 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:42:50,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:42:50 BoogieIcfgContainer [2020-10-13 12:42:50,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:42:50,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:42:50,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:42:50,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:42:50,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:42:48" (1/3) ... [2020-10-13 12:42:50,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7858591f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:42:50, skipping insertion in model container [2020-10-13 12:42:50,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:49" (2/3) ... [2020-10-13 12:42:50,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7858591f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:42:50, skipping insertion in model container [2020-10-13 12:42:50,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:42:50" (3/3) ... [2020-10-13 12:42:50,291 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2020-10-13 12:42:50,302 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:42:50,310 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:42:50,325 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:42:50,350 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:42:50,350 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:42:50,351 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:42:50,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:42:50,351 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:42:50,351 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:42:50,351 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:42:50,351 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:42:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2020-10-13 12:42:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:42:50,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:42:50,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:42:50,388 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:42:50,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:42:50,393 INFO L82 PathProgramCache]: Analyzing trace with hash 639525092, now seen corresponding path program 1 times [2020-10-13 12:42:50,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:42:50,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665921209] [2020-10-13 12:42:50,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:42:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:50,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:50,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:51,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:52,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:52,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 12:42:52,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:42:52,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2295 [2020-10-13 12:42:52,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:52,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:52,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:42:52,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:52,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:42:53,301 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:42:53,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:42:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:53,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 12:42:53,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:53,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:53,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:42:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:53,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:53,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:53,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:53,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:53,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:53,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:42:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:53,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:53,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:53,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:53,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:42:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:53,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:42:53,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:53,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:53,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:42:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:53,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:53,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:53,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:53,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:53,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:53,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:42:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:53,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:53,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:53,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:53,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:53,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:53,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:42:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:53,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:53,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:53,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:53,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:53,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:53,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:42:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:53,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:42:53,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:53,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:53,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:53,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:53,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:42:53,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665921209] [2020-10-13 12:42:53,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:42:53,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:42:53,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224761622] [2020-10-13 12:42:53,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:42:53,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:42:53,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:42:53,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:42:53,459 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 3 states. [2020-10-13 12:42:54,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:42:54,720 INFO L93 Difference]: Finished difference Result 308 states and 402 transitions. [2020-10-13 12:42:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:42:54,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-10-13 12:42:54,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:42:54,738 INFO L225 Difference]: With dead ends: 308 [2020-10-13 12:42:54,738 INFO L226 Difference]: Without dead ends: 166 [2020-10-13 12:42:54,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:42:54,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-13 12:42:54,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 133. [2020-10-13 12:42:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-13 12:42:54,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2020-10-13 12:42:54,841 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 52 [2020-10-13 12:42:54,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:42:54,842 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2020-10-13 12:42:54,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:42:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2020-10-13 12:42:54,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-13 12:42:54,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:42:54,851 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] [2020-10-13 12:42:54,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:42:54,853 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:42:54,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:42:54,853 INFO L82 PathProgramCache]: Analyzing trace with hash -510809670, now seen corresponding path program 1 times [2020-10-13 12:42:54,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:42:54,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144250936] [2020-10-13 12:42:54,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:42:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:54,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:55,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:55,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:57,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:57,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 12:42:57,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:42:57,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2344 [2020-10-13 12:42:57,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:42:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:42:57,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:42:57,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:57,579 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:42:57,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:42:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:57,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:57,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:57,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:57,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:57,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 12:42:57,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:57,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:57,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:57,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:57,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:57,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:42:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:57,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:57,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:57,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:57,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:57,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:42:57,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:57,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:57,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:57,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:42:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:57,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:57,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:57,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:57,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:57,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:57,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:57,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:57,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:57,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:42:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:57,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:57,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:57,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:57,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:57,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:42:57,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:57,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:57,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:42:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:57,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:57,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:57,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:57,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:57,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:57,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:57,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:57,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:57,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:42:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:57,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:57,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:57,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:57,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:57,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:42:57,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:57,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:42:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:57,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:57,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:57,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:57,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:57,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:57,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:57,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:57,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:42:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:57,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:57,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:57,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:57,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:57,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:57,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:57,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:57,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:57,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:57,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:57,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:42:57,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144250936] [2020-10-13 12:42:57,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:42:57,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:42:57,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697283640] [2020-10-13 12:42:57,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:42:57,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:42:57,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:42:57,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:42:57,726 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 4 states. [2020-10-13 12:42:58,225 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:42:59,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:42:59,181 INFO L93 Difference]: Finished difference Result 237 states and 289 transitions. [2020-10-13 12:42:59,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:42:59,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-10-13 12:42:59,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:42:59,186 INFO L225 Difference]: With dead ends: 237 [2020-10-13 12:42:59,186 INFO L226 Difference]: Without dead ends: 150 [2020-10-13 12:42:59,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:42:59,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-13 12:42:59,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 124. [2020-10-13 12:42:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-13 12:42:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2020-10-13 12:42:59,233 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 53 [2020-10-13 12:42:59,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:42:59,234 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2020-10-13 12:42:59,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:42:59,234 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2020-10-13 12:42:59,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-13 12:42:59,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:42:59,237 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] [2020-10-13 12:42:59,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:42:59,237 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:42:59,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:42:59,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1651946043, now seen corresponding path program 1 times [2020-10-13 12:42:59,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:42:59,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797235517] [2020-10-13 12:42:59,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:42:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:59,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:59,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:00,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:00,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 12:43:00,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:43:00,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1274 [2020-10-13 12:43:00,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:00,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:43:00,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:00,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 12:43:00,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:00,852 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:00,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:00,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:00,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:00,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:00,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:00,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 12:43:00,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:00,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:00,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:00,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:43:00,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:00,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:00,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:00,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:00,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:00,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:00,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:00,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:00,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:00,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:00,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:43:00,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:00,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:00,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:00,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:00,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:00,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:00,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:43:00,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:00,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:00,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:00,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:00,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:00,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:00,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:43:00,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:00,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:00,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:00,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:00,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:00,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:00,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:00,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:43:00,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:00,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:43:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:00,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:00,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:00,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:00,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:00,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:00,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:43:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:00,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:00,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:00,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:00,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:00,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:00,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:00,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:00,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:43:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:00,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:00,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:00,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:00,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:01,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:01,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:01,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:43:01,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797235517] [2020-10-13 12:43:01,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:01,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:43:01,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824639856] [2020-10-13 12:43:01,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:43:01,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:01,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:43:01,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:43:01,014 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 4 states. [2020-10-13 12:43:01,374 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:43:02,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:02,230 INFO L93 Difference]: Finished difference Result 250 states and 307 transitions. [2020-10-13 12:43:02,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:43:02,231 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-10-13 12:43:02,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:02,234 INFO L225 Difference]: With dead ends: 250 [2020-10-13 12:43:02,234 INFO L226 Difference]: Without dead ends: 150 [2020-10-13 12:43:02,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:43:02,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-13 12:43:02,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 124. [2020-10-13 12:43:02,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-13 12:43:02,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2020-10-13 12:43:02,308 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 58 [2020-10-13 12:43:02,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:02,309 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2020-10-13 12:43:02,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:43:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2020-10-13 12:43:02,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-13 12:43:02,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:02,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:43:02,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:43:02,312 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:02,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:02,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1339614682, now seen corresponding path program 1 times [2020-10-13 12:43:02,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:02,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880872524] [2020-10-13 12:43:02,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:02,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:02,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:02,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:02,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 12:43:07,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:43:07,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 12:43:07,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-13 12:43:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:43:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,737 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:07,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:07,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 12:43:07,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:07,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:07,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:07,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:07,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:07,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:07,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:07,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:07,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:43:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 12:43:07,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:43:07,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:07,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 12:43:07,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:43:07,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:43:07,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:43:07,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:07,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:43:07,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:43:07,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:07,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:07,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:43:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:43:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:07,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:07,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:07,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 12:43:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:07,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:07,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 12:43:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:07,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:07,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:43:07,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880872524] [2020-10-13 12:43:07,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:07,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:43:07,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440094107] [2020-10-13 12:43:07,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:43:07,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:07,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:43:07,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:43:07,974 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 7 states. [2020-10-13 12:43:08,369 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:43:09,648 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:43:10,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:10,419 INFO L93 Difference]: Finished difference Result 359 states and 443 transitions. [2020-10-13 12:43:10,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:43:10,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2020-10-13 12:43:10,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:10,424 INFO L225 Difference]: With dead ends: 359 [2020-10-13 12:43:10,424 INFO L226 Difference]: Without dead ends: 259 [2020-10-13 12:43:10,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:43:10,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-13 12:43:10,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 216. [2020-10-13 12:43:10,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-13 12:43:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2020-10-13 12:43:10,479 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 71 [2020-10-13 12:43:10,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:10,480 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2020-10-13 12:43:10,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:43:10,480 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2020-10-13 12:43:10,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-13 12:43:10,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:10,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:43:10,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:43:10,482 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:10,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:10,482 INFO L82 PathProgramCache]: Analyzing trace with hash 345762925, now seen corresponding path program 1 times [2020-10-13 12:43:10,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:10,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475085369] [2020-10-13 12:43:10,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:11,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:11,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 12:43:11,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:43:11,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1063 [2020-10-13 12:43:11,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:43:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 12:43:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 12:43:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:11,905 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:11,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:11,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:11,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:11,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:11,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 12:43:11,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:11,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:11,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:11,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:11,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:11,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:11,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:11,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:11,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:11,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:11,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:11,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:11,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:11,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:11,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:11,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:11,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:11,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:11,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:11,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:11,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:11,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:11,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:11,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:11,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:11,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:11,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:11,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:11,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:11,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:11,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:11,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:11,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:11,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:11,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:11,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:11,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:11,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:12,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:43:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:12,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:12,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:12,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 12:43:12,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:12,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:43:12,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:43:12,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:12,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:12,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:12,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:12,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:43:12,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:12,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:43:12,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:12,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:12,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:12,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:43:12,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:12,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:12,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:12,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:12,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:43:12,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:12,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:43:12,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:43:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:12,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:43:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:12,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:12,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:12,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:43:12,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:12,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:43:12,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:12,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:43:12,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:12,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:43:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:12,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:12,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:12,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:12,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:12,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:12,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:12,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:12,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:12,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:43:12,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:12,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 12:43:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:12,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:12,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:12,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:12,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:12,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:12,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:12,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:12,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:12,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 12:43:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:12,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:12,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:12,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:12,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:12,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:43:12,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:12,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:12,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:12,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:12,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:12,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 12:43:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:12,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:12,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:12,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:12,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:12,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:12,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:12,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:12,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:12,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:12,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:12,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:43:12,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475085369] [2020-10-13 12:43:12,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:12,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:43:12,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236042844] [2020-10-13 12:43:12,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:43:12,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:12,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:43:12,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:43:12,146 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 8 states. [2020-10-13 12:43:12,626 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:43:14,242 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-13 12:43:14,585 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:43:14,870 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:43:15,162 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:43:15,552 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:16,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:16,685 INFO L93 Difference]: Finished difference Result 637 states and 809 transitions. [2020-10-13 12:43:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 12:43:16,685 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2020-10-13 12:43:16,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:16,690 INFO L225 Difference]: With dead ends: 637 [2020-10-13 12:43:16,690 INFO L226 Difference]: Without dead ends: 445 [2020-10-13 12:43:16,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:43:16,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-10-13 12:43:16,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 394. [2020-10-13 12:43:16,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 12:43:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 464 transitions. [2020-10-13 12:43:16,793 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 464 transitions. Word has length 85 [2020-10-13 12:43:16,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:16,793 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 464 transitions. [2020-10-13 12:43:16,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:43:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 464 transitions. [2020-10-13 12:43:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-13 12:43:16,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:16,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:43:16,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:43:16,796 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:16,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:16,797 INFO L82 PathProgramCache]: Analyzing trace with hash -386711628, now seen corresponding path program 1 times [2020-10-13 12:43:16,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:16,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497606266] [2020-10-13 12:43:16,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:16,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 12:43:17,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-13 12:43:17,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 12:43:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:17,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,325 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:17,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:17,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 12:43:17,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:17,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:17,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:17,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:17,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:17,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:17,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:17,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:17,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:17,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:17,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:17,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:17,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:17,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:17,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:17,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:17,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:17,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:43:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:17,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:17,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:17,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:17,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:17,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:43:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 12:43:17,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:43:17,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:43:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:17,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:43:17,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:43:17,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:43:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:17,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:43:17,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:43:17,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:17,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:43:17,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:17,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:43:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:43:17,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:43:17,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:43:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:17,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:43:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:17,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:17,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 12:43:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:17,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 12:43:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:17,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:17,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:17,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:43:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:17,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:17,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 12:43:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:17,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:17,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:17,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:17,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:17,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:17,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:17,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:17,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:43:17,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497606266] [2020-10-13 12:43:17,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:17,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:43:17,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902063153] [2020-10-13 12:43:17,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:43:17,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:17,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:43:17,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:43:17,595 INFO L87 Difference]: Start difference. First operand 394 states and 464 transitions. Second operand 8 states. [2020-10-13 12:43:18,743 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:19,021 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:43:19,314 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:20,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:20,476 INFO L93 Difference]: Finished difference Result 848 states and 1062 transitions. [2020-10-13 12:43:20,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:43:20,477 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-10-13 12:43:20,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:20,483 INFO L225 Difference]: With dead ends: 848 [2020-10-13 12:43:20,484 INFO L226 Difference]: Without dead ends: 478 [2020-10-13 12:43:20,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:43:20,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-10-13 12:43:20,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 397. [2020-10-13 12:43:20,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-10-13 12:43:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 467 transitions. [2020-10-13 12:43:20,572 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 467 transitions. Word has length 89 [2020-10-13 12:43:20,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:20,573 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 467 transitions. [2020-10-13 12:43:20,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:43:20,573 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 467 transitions. [2020-10-13 12:43:20,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-13 12:43:20,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:20,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:43:20,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:43:20,576 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:20,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:20,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1230717130, now seen corresponding path program 1 times [2020-10-13 12:43:20,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:20,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251522368] [2020-10-13 12:43:20,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:20,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:20,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:20,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 12:43:20,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:20,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-13 12:43:20,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:20,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:43:20,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 12:43:20,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:43:20,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,098 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:21,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:21,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:43:21,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:21,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:21,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:21,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:21,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:21,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:21,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:21,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:21,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:21,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:21,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:21,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:21,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:21,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:21,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:21,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:21,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:21,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:43:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:21,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:21,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:21,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:21,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:21,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:43:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 12:43:21,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:43:21,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:43:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:43:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:43:21,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:43:21,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:43:21,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:43:21,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:43:21,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:43:21,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:43:21,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:43:21,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:21,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:21,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:43:21,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:43:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:43:21,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:21,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:21,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:21,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:21,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:43:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:21,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:21,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:21,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 12:43:21,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:21,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 12:43:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:21,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:21,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:21,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:43:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:21,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:21,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:21,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 12:43:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:21,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:21,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:21,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:21,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:21,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:21,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:21,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:21,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:21,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:21,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:43:21,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251522368] [2020-10-13 12:43:21,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:21,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:43:21,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798375126] [2020-10-13 12:43:21,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:43:21,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:21,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:43:21,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:43:21,339 INFO L87 Difference]: Start difference. First operand 397 states and 467 transitions. Second operand 9 states. [2020-10-13 12:43:22,321 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:22,596 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:43:22,873 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:23,121 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:24,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:24,220 INFO L93 Difference]: Finished difference Result 841 states and 1059 transitions. [2020-10-13 12:43:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 12:43:24,220 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-13 12:43:24,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:24,225 INFO L225 Difference]: With dead ends: 841 [2020-10-13 12:43:24,225 INFO L226 Difference]: Without dead ends: 468 [2020-10-13 12:43:24,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:43:24,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2020-10-13 12:43:24,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 392. [2020-10-13 12:43:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-10-13 12:43:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 460 transitions. [2020-10-13 12:43:24,311 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 460 transitions. Word has length 89 [2020-10-13 12:43:24,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:24,311 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 460 transitions. [2020-10-13 12:43:24,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:43:24,311 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 460 transitions. [2020-10-13 12:43:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 12:43:24,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:24,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:43:24,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:43:24,314 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:24,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:24,314 INFO L82 PathProgramCache]: Analyzing trace with hash -420721396, now seen corresponding path program 1 times [2020-10-13 12:43:24,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:24,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575721668] [2020-10-13 12:43:24,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:24,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:24,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:24,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 12:43:24,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:24,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-13 12:43:24,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:24,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:43:24,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 12:43:24,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 12:43:24,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:24,923 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:24,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:24,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:24,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:24,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:24,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:24,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 12:43:24,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:24,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:24,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:24,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:24,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:24,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:24,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:24,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:24,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:24,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:24,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:24,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:24,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:24,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:24,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:24,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:24,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:24,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:24,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:24,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:24,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:24,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:24,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:24,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:24,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:24,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:24,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:24,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:24,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:24,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:24,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:24,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:24,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:24,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:24,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:24,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:24,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:24,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:25,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:25,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:25,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:25,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:25,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:25,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:25,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:25,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:25,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:25,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:25,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:25,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:43:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:25,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:25,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:25,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:25,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:25,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:25,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:25,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:25,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:25,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:25,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:25,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:43:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:25,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:25,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:25,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:43:25,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:25,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:43:25,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:25,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:25,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:25,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 12:43:25,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:25,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:25,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:25,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:25,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:43:25,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:25,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:43:25,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:25,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:43:25,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:25,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:25,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:25,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:25,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:43:25,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:25,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:25,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:25,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:25,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:25,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:43:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:25,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:25,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:25,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:43:25,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:25,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:25,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:25,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:25,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:43:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:25,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:25,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:25,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:25,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:25,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:25,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:43:25,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:25,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 12:43:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:25,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:25,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:25,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:25,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:25,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:25,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:25,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:25,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 12:43:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:25,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:25,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:25,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:25,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:25,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:25,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:25,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:25,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 12:43:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:25,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:25,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:25,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:25,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:25,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:43:25,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:25,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:25,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:25,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:25,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:43:25,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575721668] [2020-10-13 12:43:25,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:25,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:43:25,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062117872] [2020-10-13 12:43:25,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:43:25,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:25,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:43:25,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:43:25,158 INFO L87 Difference]: Start difference. First operand 392 states and 460 transitions. Second operand 9 states. [2020-10-13 12:43:26,393 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:43:26,987 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:27,334 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:27,617 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:28,314 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:43:28,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:28,803 INFO L93 Difference]: Finished difference Result 837 states and 1030 transitions. [2020-10-13 12:43:28,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 12:43:28,804 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-13 12:43:28,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:28,808 INFO L225 Difference]: With dead ends: 837 [2020-10-13 12:43:28,808 INFO L226 Difference]: Without dead ends: 469 [2020-10-13 12:43:28,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-10-13 12:43:28,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-10-13 12:43:28,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 392. [2020-10-13 12:43:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-10-13 12:43:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 451 transitions. [2020-10-13 12:43:28,875 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 451 transitions. Word has length 90 [2020-10-13 12:43:28,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:28,876 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 451 transitions. [2020-10-13 12:43:28,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:43:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 451 transitions. [2020-10-13 12:43:28,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 12:43:28,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:28,879 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:43:28,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:43:28,879 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:28,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:28,879 INFO L82 PathProgramCache]: Analyzing trace with hash 52445379, now seen corresponding path program 1 times [2020-10-13 12:43:28,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:28,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [278156399] [2020-10-13 12:43:28,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:28,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:29,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:29,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:31,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:33,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:33,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-13 12:43:33,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:43:33,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 12:43:33,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:43:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 12:43:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 12:43:33,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:34,310 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:34,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:34,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 12:43:34,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:34,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:34,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:34,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:34,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:34,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:34,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:34,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:34,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:34,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:34,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:43:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:34,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:34,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:43:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:43:34,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:43:34,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:43:34,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:43:34,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:43:34,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:43:34,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:34,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:43:34,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:34,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:43:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:43:34,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:34,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:43:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:34,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:34,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:43:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:43:34,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:34,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:43:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:34,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:43:34,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 12:43:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:34,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:34,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 12:43:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 12:43:34,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 12:43:34,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:43:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 12:43:34,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:43:34,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:43:34,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:43:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:43:34,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:43:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:34,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:34,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:43:34,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:43:34,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 12:43:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:34,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:43:34,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 12:43:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:34,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:43:34,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:34,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:34,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 12:43:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:34,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:34,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:34,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 12:43:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:34,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:34,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:34,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:34,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:34,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:34,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:34,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:34,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:34,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:34,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 12:43:34,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [278156399] [2020-10-13 12:43:34,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:43:34,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 12:43:34,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955057888] [2020-10-13 12:43:34,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 12:43:34,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:34,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 12:43:34,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:43:34,889 INFO L87 Difference]: Start difference. First operand 392 states and 451 transitions. Second operand 15 states. [2020-10-13 12:43:36,221 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:37,539 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:43:37,913 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:43:38,205 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:38,544 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:43:38,889 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:43:40,032 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:43:40,342 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:40,655 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:40,958 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:43:41,276 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:43:41,596 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:43:41,933 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 12:43:42,302 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:43:43,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:43,142 INFO L93 Difference]: Finished difference Result 1161 states and 1495 transitions. [2020-10-13 12:43:43,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 12:43:43,144 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2020-10-13 12:43:43,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:43,145 INFO L225 Difference]: With dead ends: 1161 [2020-10-13 12:43:43,145 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:43:43,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=208, Invalid=914, Unknown=0, NotChecked=0, Total=1122 [2020-10-13 12:43:43,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:43:43,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:43:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:43:43,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:43:43,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2020-10-13 12:43:43,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:43,150 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:43:43,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 12:43:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:43:43,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:43:43,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:43:43,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:43:45,337 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-10-13 12:43:48,101 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 236 [2020-10-13 12:43:48,699 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-10-13 12:43:49,475 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 236 [2020-10-13 12:43:50,932 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-10-13 12:43:51,652 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 18 [2020-10-13 12:43:52,266 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-13 12:43:52,484 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-13 12:43:52,686 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:43:53,821 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-10-13 12:43:54,014 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-13 12:43:54,423 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 15 [2020-10-13 12:43:55,142 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-10-13 12:43:55,413 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 15 [2020-10-13 12:43:56,191 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-10-13 12:43:56,773 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 15 [2020-10-13 12:43:56,978 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:43:57,221 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:57,837 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-10-13 12:43:58,057 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-10-13 12:43:58,256 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-10-13 12:43:58,855 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 16 [2020-10-13 12:43:59,054 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-13 12:43:59,922 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 28 [2020-10-13 12:44:00,314 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-10-13 12:44:01,188 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2020-10-13 12:44:02,376 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-10-13 12:44:03,155 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 21 [2020-10-13 12:44:03,567 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 15 [2020-10-13 12:44:04,244 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-13 12:44:04,446 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:44:04,861 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2020-10-13 12:44:05,065 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:44:05,281 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-13 12:44:06,147 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 28 [2020-10-13 12:44:06,354 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-13 12:44:06,799 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-10-13 12:44:07,009 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-13 12:44:07,214 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:44:07,634 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 15 [2020-10-13 12:44:08,101 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 23 [2020-10-13 12:44:08,302 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-13 12:44:08,505 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:44:08,713 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-13 12:44:08,921 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-13 12:44:09,401 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-10-13 12:44:09,695 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2020-10-13 12:44:10,875 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-10-13 12:44:11,321 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 15 [2020-10-13 12:44:11,745 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 13 [2020-10-13 12:44:11,949 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:44:12,150 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:44:12,155 INFO L268 CegarLoopResult]: For program point L444(lines 421 445) no Hoare annotation was computed. [2020-10-13 12:44:12,155 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 397 452) no Hoare annotation was computed. [2020-10-13 12:44:12,155 INFO L268 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-10-13 12:44:12,155 INFO L268 CegarLoopResult]: For program point L428-1(lines 428 432) no Hoare annotation was computed. [2020-10-13 12:44:12,155 INFO L268 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-13 12:44:12,155 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 397 452) no Hoare annotation was computed. [2020-10-13 12:44:12,156 INFO L268 CegarLoopResult]: For program point L422-2(lines 422 443) no Hoare annotation was computed. [2020-10-13 12:44:12,156 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 397 452) no Hoare annotation was computed. [2020-10-13 12:44:12,156 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-13 12:44:12,156 INFO L268 CegarLoopResult]: For program point L479-2(lines 479 504) no Hoare annotation was computed. [2020-10-13 12:44:12,156 INFO L268 CegarLoopResult]: For program point L505(lines 478 506) no Hoare annotation was computed. [2020-10-13 12:44:12,157 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 453 512) no Hoare annotation was computed. [2020-10-13 12:44:12,157 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-13 12:44:12,157 INFO L268 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-10-13 12:44:12,157 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 453 512) no Hoare annotation was computed. [2020-10-13 12:44:12,157 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 453 512) no Hoare annotation was computed. [2020-10-13 12:44:12,157 INFO L268 CegarLoopResult]: For program point L485(lines 485 489) no Hoare annotation was computed. [2020-10-13 12:44:12,158 INFO L268 CegarLoopResult]: For program point L485-1(lines 485 489) no Hoare annotation was computed. [2020-10-13 12:44:12,158 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-10-13 12:44:12,158 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-10-13 12:44:12,158 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-10-13 12:44:12,158 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-10-13 12:44:12,158 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-10-13 12:44:12,158 INFO L268 CegarLoopResult]: For program point L802-1(lines 802 809) no Hoare annotation was computed. [2020-10-13 12:44:12,159 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-10-13 12:44:12,159 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:44:12,159 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:44:12,159 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 792 814) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:44:12,159 INFO L264 CegarLoopResult]: At program point L798-1(line 798) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:44:12,159 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 792 814) no Hoare annotation was computed. [2020-10-13 12:44:12,159 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 792 814) no Hoare annotation was computed. [2020-10-13 12:44:12,160 INFO L264 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:44:12,160 INFO L264 CegarLoopResult]: At program point L804-1(line 804) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:44:12,160 INFO L268 CegarLoopResult]: For program point L802(lines 802 809) no Hoare annotation was computed. [2020-10-13 12:44:12,160 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-10-13 12:44:12,160 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-10-13 12:44:12,160 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 751 774) no Hoare annotation was computed. [2020-10-13 12:44:12,160 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-10-13 12:44:12,160 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-10-13 12:44:12,161 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-10-13 12:44:12,161 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 751 774) no Hoare annotation was computed. [2020-10-13 12:44:12,161 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-10-13 12:44:12,161 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 751 774) no Hoare annotation was computed. [2020-10-13 12:44:12,161 INFO L268 CegarLoopResult]: For program point L763(line 763) no Hoare annotation was computed. [2020-10-13 12:44:12,161 INFO L268 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-10-13 12:44:12,161 INFO L268 CegarLoopResult]: For program point L761(line 761) no Hoare annotation was computed. [2020-10-13 12:44:12,162 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-10-13 12:44:12,162 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-10-13 12:44:12,162 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-10-13 12:44:12,162 INFO L268 CegarLoopResult]: For program point L757(line 757) no Hoare annotation was computed. [2020-10-13 12:44:12,162 INFO L268 CegarLoopResult]: For program point L756(line 756) no Hoare annotation was computed. [2020-10-13 12:44:12,162 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2020-10-13 12:44:12,162 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2020-10-13 12:44:12,162 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2020-10-13 12:44:12,163 INFO L268 CegarLoopResult]: For program point L288(lines 288 296) no Hoare annotation was computed. [2020-10-13 12:44:12,163 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 296) no Hoare annotation was computed. [2020-10-13 12:44:12,163 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-10-13 12:44:12,163 INFO L268 CegarLoopResult]: For program point L311-1(line 311) no Hoare annotation was computed. [2020-10-13 12:44:12,163 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 281 316) no Hoare annotation was computed. [2020-10-13 12:44:12,163 INFO L268 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2020-10-13 12:44:12,163 INFO L268 CegarLoopResult]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2020-10-13 12:44:12,164 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 281 316) no Hoare annotation was computed. [2020-10-13 12:44:12,164 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 281 316) no Hoare annotation was computed. [2020-10-13 12:44:12,164 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-10-13 12:44:12,164 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-10-13 12:44:12,164 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 351 396) no Hoare annotation was computed. [2020-10-13 12:44:12,164 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 351 396) no Hoare annotation was computed. [2020-10-13 12:44:12,164 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 351 396) no Hoare annotation was computed. [2020-10-13 12:44:12,164 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 664 709) no Hoare annotation was computed. [2020-10-13 12:44:12,165 INFO L268 CegarLoopResult]: For program point L684(lines 684 691) no Hoare annotation was computed. [2020-10-13 12:44:12,165 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 664 709) no Hoare annotation was computed. [2020-10-13 12:44:12,165 INFO L268 CegarLoopResult]: For program point L678(lines 678 698) no Hoare annotation was computed. [2020-10-13 12:44:12,165 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 664 709) no Hoare annotation was computed. [2020-10-13 12:44:12,165 INFO L268 CegarLoopResult]: For program point L678-1(lines 678 698) no Hoare annotation was computed. [2020-10-13 12:44:12,165 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 782 791) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:44:12,165 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 782 791) no Hoare annotation was computed. [2020-10-13 12:44:12,166 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 782 791) no Hoare annotation was computed. [2020-10-13 12:44:12,166 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 261 271) the Hoare annotation is: true [2020-10-13 12:44:12,166 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2020-10-13 12:44:12,166 INFO L271 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: true [2020-10-13 12:44:12,166 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-10-13 12:44:12,166 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2020-10-13 12:44:12,167 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-13 12:44:12,167 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2020-10-13 12:44:12,167 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2020-10-13 12:44:12,167 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 896 909) no Hoare annotation was computed. [2020-10-13 12:44:12,167 INFO L268 CegarLoopResult]: For program point L900(lines 900 906) no Hoare annotation was computed. [2020-10-13 12:44:12,167 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 896 909) the Hoare annotation is: true [2020-10-13 12:44:12,167 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 896 909) no Hoare annotation was computed. [2020-10-13 12:44:12,167 INFO L268 CegarLoopResult]: For program point L226-1(line 226) no Hoare annotation was computed. [2020-10-13 12:44:12,167 INFO L268 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2020-10-13 12:44:12,168 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2020-10-13 12:44:12,168 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:44:12,168 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-10-13 12:44:12,168 INFO L268 CegarLoopResult]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2020-10-13 12:44:12,168 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (and (or (<= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (<= processEnvironment_~tmp~2 0)) (or (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (< 0 (+ processEnvironment_~tmp~2 1))) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-10-13 12:44:12,168 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and (or (<= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (<= processEnvironment_~tmp~2 0)) (or (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (< 0 (+ processEnvironment_~tmp~2 1))) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:44:12,169 INFO L268 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-10-13 12:44:12,169 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:44:12,169 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2020-10-13 12:44:12,169 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2020-10-13 12:44:12,169 INFO L264 CegarLoopResult]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:44:12,169 INFO L268 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-10-13 12:44:12,169 INFO L268 CegarLoopResult]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2020-10-13 12:44:12,169 INFO L264 CegarLoopResult]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:44:12,170 INFO L268 CegarLoopResult]: For program point L131(lines 131 135) no Hoare annotation was computed. [2020-10-13 12:44:12,170 INFO L264 CegarLoopResult]: At program point L131-2(lines 123 136) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:44:12,170 INFO L268 CegarLoopResult]: For program point L94(lines 93 140) no Hoare annotation was computed. [2020-10-13 12:44:12,170 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:44:12,170 INFO L268 CegarLoopResult]: For program point L123(lines 123 136) no Hoare annotation was computed. [2020-10-13 12:44:12,170 INFO L264 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:44:12,170 INFO L268 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-10-13 12:44:12,170 INFO L268 CegarLoopResult]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2020-10-13 12:44:12,170 INFO L264 CegarLoopResult]: At program point L138(lines 93 140) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-10-13 12:44:12,171 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-10-13 12:44:12,171 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-10-13 12:44:12,171 INFO L268 CegarLoopResult]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2020-10-13 12:44:12,171 INFO L268 CegarLoopResult]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2020-10-13 12:44:12,171 INFO L268 CegarLoopResult]: For program point L638(lines 638 645) no Hoare annotation was computed. [2020-10-13 12:44:12,171 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 618 663) no Hoare annotation was computed. [2020-10-13 12:44:12,171 INFO L268 CegarLoopResult]: For program point L632(lines 632 652) no Hoare annotation was computed. [2020-10-13 12:44:12,171 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2020-10-13 12:44:12,171 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 618 663) no Hoare annotation was computed. [2020-10-13 12:44:12,172 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 618 663) no Hoare annotation was computed. [2020-10-13 12:44:12,172 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 864 886) no Hoare annotation was computed. [2020-10-13 12:44:12,172 INFO L268 CegarLoopResult]: For program point L872(lines 872 880) no Hoare annotation was computed. [2020-10-13 12:44:12,172 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 880) no Hoare annotation was computed. [2020-10-13 12:44:12,172 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 864 886) no Hoare annotation was computed. [2020-10-13 12:44:12,172 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 864 886) no Hoare annotation was computed. [2020-10-13 12:44:12,172 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:44:12,172 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:44:12,172 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:44:12,172 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 515 617) no Hoare annotation was computed. [2020-10-13 12:44:12,173 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-10-13 12:44:12,173 INFO L268 CegarLoopResult]: For program point L603(lines 603 614) no Hoare annotation was computed. [2020-10-13 12:44:12,173 INFO L268 CegarLoopResult]: For program point L566(lines 566 570) no Hoare annotation was computed. [2020-10-13 12:44:12,173 INFO L268 CegarLoopResult]: For program point L564-2(lines 564 584) no Hoare annotation was computed. [2020-10-13 12:44:12,173 INFO L268 CegarLoopResult]: For program point L585(lines 563 586) no Hoare annotation was computed. [2020-10-13 12:44:12,173 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 515 617) no Hoare annotation was computed. [2020-10-13 12:44:12,173 INFO L268 CegarLoopResult]: For program point L544(lines 544 560) no Hoare annotation was computed. [2020-10-13 12:44:12,173 INFO L268 CegarLoopResult]: For program point L604(lines 604 611) no Hoare annotation was computed. [2020-10-13 12:44:12,173 INFO L268 CegarLoopResult]: For program point L565(lines 564 584) no Hoare annotation was computed. [2020-10-13 12:44:12,173 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-10-13 12:44:12,174 INFO L268 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-10-13 12:44:12,174 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 515 617) no Hoare annotation was computed. [2020-10-13 12:44:12,174 INFO L268 CegarLoopResult]: For program point L561(lines 561 602) no Hoare annotation was computed. [2020-10-13 12:44:12,174 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-13 12:44:12,174 INFO L268 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-10-13 12:44:12,174 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:44:12,174 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:44:12,174 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:44:12,175 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2020-10-13 12:44:12,175 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2020-10-13 12:44:12,175 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:44:12,175 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2020-10-13 12:44:12,175 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-10-13 12:44:12,175 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2020-10-13 12:44:12,175 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2020-10-13 12:44:12,175 INFO L271 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: true [2020-10-13 12:44:12,175 INFO L268 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2020-10-13 12:44:12,176 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-10-13 12:44:12,176 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 887 895) the Hoare annotation is: true [2020-10-13 12:44:12,176 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2020-10-13 12:44:12,176 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2020-10-13 12:44:12,176 INFO L268 CegarLoopResult]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2020-10-13 12:44:12,176 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-10-13 12:44:12,176 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2020-10-13 12:44:12,176 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:44:12,176 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:44:12,176 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:44:12,177 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:44:12,177 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse2 .cse0 .cse1) (or (<= ~waterLevel~0 1) .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse1))) [2020-10-13 12:44:12,177 INFO L264 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse2) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse3 .cse4 .cse1) (and (<= 1 ~pumpRunning~0) .cse4) .cse2 (not (= |old(~pumpRunning~0)| 0)))))) [2020-10-13 12:44:12,177 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2020-10-13 12:44:12,177 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:44:12,177 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2020-10-13 12:44:12,177 INFO L268 CegarLoopResult]: For program point L166(lines 165 184) no Hoare annotation was computed. [2020-10-13 12:44:12,178 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 721 750) no Hoare annotation was computed. [2020-10-13 12:44:12,178 INFO L268 CegarLoopResult]: For program point L735(lines 735 739) no Hoare annotation was computed. [2020-10-13 12:44:12,178 INFO L271 CegarLoopResult]: At program point L735-1(lines 735 739) the Hoare annotation is: true [2020-10-13 12:44:12,178 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 721 750) the Hoare annotation is: true [2020-10-13 12:44:12,178 INFO L268 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-10-13 12:44:12,178 INFO L271 CegarLoopResult]: At program point L731-2(lines 731 745) the Hoare annotation is: true [2020-10-13 12:44:12,178 INFO L271 CegarLoopResult]: At program point L727(line 727) the Hoare annotation is: true [2020-10-13 12:44:12,178 INFO L268 CegarLoopResult]: For program point L727-1(line 727) no Hoare annotation was computed. [2020-10-13 12:44:12,178 INFO L271 CegarLoopResult]: At program point L746(lines 721 750) the Hoare annotation is: true [2020-10-13 12:44:12,179 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-10-13 12:44:12,179 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2020-10-13 12:44:12,179 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2020-10-13 12:44:12,179 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2020-10-13 12:44:12,179 INFO L264 CegarLoopResult]: At program point L928(line 928) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse3 .cse2 .cse4) (or .cse0 .cse2 .cse4))) [2020-10-13 12:44:12,179 INFO L268 CegarLoopResult]: For program point L928-1(line 928) no Hoare annotation was computed. [2020-10-13 12:44:12,179 INFO L268 CegarLoopResult]: For program point L926(lines 926 939) no Hoare annotation was computed. [2020-10-13 12:44:12,179 INFO L268 CegarLoopResult]: For program point L926-1(lines 911 943) no Hoare annotation was computed. [2020-10-13 12:44:12,179 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 911 943) no Hoare annotation was computed. [2020-10-13 12:44:12,180 INFO L264 CegarLoopResult]: At program point L924(line 924) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-10-13 12:44:12,180 INFO L268 CegarLoopResult]: For program point L924-1(line 924) no Hoare annotation was computed. [2020-10-13 12:44:12,180 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 911 943) the Hoare annotation is: true [2020-10-13 12:44:12,180 INFO L268 CegarLoopResult]: For program point L920(lines 920 940) no Hoare annotation was computed. [2020-10-13 12:44:12,180 INFO L271 CegarLoopResult]: At program point L918(line 918) the Hoare annotation is: true [2020-10-13 12:44:12,180 INFO L268 CegarLoopResult]: For program point L918-1(line 918) no Hoare annotation was computed. [2020-10-13 12:44:12,180 INFO L264 CegarLoopResult]: At program point L934(line 934) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0) (or .cse1 (= ~methaneLevelCritical~0 0) .cse0) (or .cse1 .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-13 12:44:12,180 INFO L268 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2020-10-13 12:44:12,180 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-10-13 12:44:12,181 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2020-10-13 12:44:12,181 INFO L268 CegarLoopResult]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2020-10-13 12:44:12,181 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 775 781) no Hoare annotation was computed. [2020-10-13 12:44:12,181 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 775 781) the Hoare annotation is: true [2020-10-13 12:44:12,181 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:44:12,181 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-13 12:44:12,181 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:44:12,181 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:44:12,181 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2020-10-13 12:44:12,181 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (= 1 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-10-13 12:44:12,182 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2020-10-13 12:44:12,182 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:44:12,182 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2020-10-13 12:44:12,182 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:44:12,182 INFO L268 CegarLoopResult]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2020-10-13 12:44:12,182 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2020-10-13 12:44:12,183 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 processEnvironment__wrappee__highWaterSensor_~tmp~1) .cse1) (and (<= ~waterLevel~0 1) .cse1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-10-13 12:44:12,183 INFO L268 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-10-13 12:44:12,183 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-10-13 12:44:12,183 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-10-13 12:44:12,183 INFO L268 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-10-13 12:44:12,183 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2020-10-13 12:44:12,183 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= |old(~waterLevel~0)| 1)) .cse2) (or .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse2))) [2020-10-13 12:44:12,183 INFO L268 CegarLoopResult]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2020-10-13 12:44:12,184 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 711 718) no Hoare annotation was computed. [2020-10-13 12:44:12,184 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2020-10-13 12:44:12,184 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 711 718) the Hoare annotation is: true [2020-10-13 12:44:12,184 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 711 718) no Hoare annotation was computed. [2020-10-13 12:44:12,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:44:12 BoogieIcfgContainer [2020-10-13 12:44:12,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:44:12,205 INFO L168 Benchmark]: Toolchain (without parser) took 83899.01 ms. Allocated memory was 140.5 MB in the beginning and 839.4 MB in the end (delta: 698.9 MB). Free memory was 102.7 MB in the beginning and 205.3 MB in the end (delta: -102.7 MB). Peak memory consumption was 708.5 MB. Max. memory is 7.1 GB. [2020-10-13 12:44:12,205 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:44:12,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.92 ms. Allocated memory was 140.5 MB in the beginning and 207.1 MB in the end (delta: 66.6 MB). Free memory was 102.5 MB in the beginning and 176.9 MB in the end (delta: -74.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:44:12,207 INFO L168 Benchmark]: Boogie Preprocessor took 101.61 ms. Allocated memory is still 207.1 MB. Free memory was 176.9 MB in the beginning and 172.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:44:12,207 INFO L168 Benchmark]: RCFGBuilder took 1114.72 ms. Allocated memory was 207.1 MB in the beginning and 233.8 MB in the end (delta: 26.7 MB). Free memory was 172.9 MB in the beginning and 195.0 MB in the end (delta: -22.2 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:44:12,208 INFO L168 Benchmark]: TraceAbstraction took 81918.25 ms. Allocated memory was 233.8 MB in the beginning and 839.4 MB in the end (delta: 605.6 MB). Free memory was 195.0 MB in the beginning and 205.3 MB in the end (delta: -10.3 MB). Peak memory consumption was 707.6 MB. Max. memory is 7.1 GB. [2020-10-13 12:44:12,211 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 758.92 ms. Allocated memory was 140.5 MB in the beginning and 207.1 MB in the end (delta: 66.6 MB). Free memory was 102.5 MB in the beginning and 176.9 MB in the end (delta: -74.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.61 ms. Allocated memory is still 207.1 MB. Free memory was 176.9 MB in the beginning and 172.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1114.72 ms. Allocated memory was 207.1 MB in the beginning and 233.8 MB in the end (delta: 26.7 MB). Free memory was 172.9 MB in the beginning and 195.0 MB in the end (delta: -22.2 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 81918.25 ms. Allocated memory was 233.8 MB in the beginning and 839.4 MB in the end (delta: 605.6 MB). Free memory was 195.0 MB in the beginning and 205.3 MB in the end (delta: -10.3 MB). Peak memory consumption was 707.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: 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: 93]: Loop Invariant Derived loop invariant: ((((!(\old(systemActive) == 1) || (((splverifierCounter <= 0 && 1 == systemActive) && !(methaneLevelCritical == 0)) && pumpRunning == 0)) || !(\old(waterLevel) <= 1)) || ((1 <= pumpRunning && splverifierCounter <= 0) && 1 == systemActive)) || !(\old(pumpRunning) == 0)) || (((waterLevel <= 1 && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == 0) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 52.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 28.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 29.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1187 SDtfs, 1900 SDslu, 1262 SDs, 0 SdLazy, 6494 SolverSat, 1270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 251 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=397occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 413 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1263 PreInvPairs, 1443 NumberOfFragments, 1326 HoareAnnotationTreeSize, 1263 FomulaSimplifications, 30324864 FormulaSimplificationTreeSizeReduction, 7.8s HoareSimplificationTime, 61 FomulaSimplificationsInter, 4043167 FormulaSimplificationTreeSizeReductionInter, 21.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 725 NumberOfCodeBlocks, 725 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 716 ConstructedInterpolants, 0 QuantifiedInterpolants, 228042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 28/31 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...