/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_spec4_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:16:34,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:16:34,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:16:34,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:16:34,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:16:34,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:16:34,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:16:34,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:16:34,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:16:34,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:16:34,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:16:34,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:16:34,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:16:34,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:16:34,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:16:34,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:16:34,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:16:34,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:16:34,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:16:34,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:16:34,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:16:34,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:16:34,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:16:34,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:16:34,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:16:34,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:16:34,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:16:34,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:16:34,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:16:34,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:16:34,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:16:34,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:16:34,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:16:34,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:16:34,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:16:34,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:16:34,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:16:34,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:16:34,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:16:34,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:16:34,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:16:34,146 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 [2020-10-14 07:16:34,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:16:34,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:16:34,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:16:34,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:16:34,189 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:16:34,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:16:34,189 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:16:34,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:16:34,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:16:34,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:16:34,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:16:34,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:16:34,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:16:34,192 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:16:34,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:16:34,192 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:16:34,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:16:34,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:16:34,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:16:34,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:16:34,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:16:34,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:16:34,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:16:34,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:16:34,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:16:34,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:16:34,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:16:34,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:16:34,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:16:34,195 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:16:34,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:16:34,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:16:34,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:16:34,510 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:16:34,511 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:16:34,511 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product57.cil.c [2020-10-14 07:16:34,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/89360f7e2/df9da7dcee0f40fa8333abcf4aa3c490/FLAG90f29f7c0 [2020-10-14 07:16:35,138 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:16:35,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product57.cil.c [2020-10-14 07:16:35,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/89360f7e2/df9da7dcee0f40fa8333abcf4aa3c490/FLAG90f29f7c0 [2020-10-14 07:16:35,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/89360f7e2/df9da7dcee0f40fa8333abcf4aa3c490 [2020-10-14 07:16:35,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:16:35,455 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:16:35,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:16:35,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:16:35,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:16:35,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:16:35" (1/1) ... [2020-10-14 07:16:35,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0619bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:35, skipping insertion in model container [2020-10-14 07:16:35,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:16:35" (1/1) ... [2020-10-14 07:16:35,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:16:35,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:16:35,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:16:35,929 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:16:36,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:16:36,110 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:16:36,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:36 WrapperNode [2020-10-14 07:16:36,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:16:36,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:16:36,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:16:36,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:16:36,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:36" (1/1) ... [2020-10-14 07:16:36,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:36" (1/1) ... [2020-10-14 07:16:36,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:36" (1/1) ... [2020-10-14 07:16:36,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:36" (1/1) ... [2020-10-14 07:16:36,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:36" (1/1) ... [2020-10-14 07:16:36,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:36" (1/1) ... [2020-10-14 07:16:36,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:36" (1/1) ... [2020-10-14 07:16:36,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:16:36,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:16:36,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:16:36,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:16:36,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:36" (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 [2020-10-14 07:16:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:16:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:16:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:16:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:16:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:16:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-14 07:16:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-14 07:16:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:16:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-14 07:16:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:16:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:16:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:16:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:16:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:16:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-14 07:16:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-14 07:16:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-14 07:16:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:16:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:16:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:16:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:16:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:16:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:16:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-14 07:16:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-14 07:16:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:16:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:16:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:16:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:16:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:16:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:16:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:16:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:16:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:16:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:16:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:16:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:16:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:16:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:16:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:16:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:16:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:16:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:16:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:16:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:16:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:16:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:16:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:16:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:16:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:16:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:16:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:16:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-14 07:16:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-14 07:16:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:16:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:16:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:16:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:16:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-14 07:16:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:16:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-14 07:16:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-14 07:16:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-14 07:16:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-14 07:16:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-14 07:16:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:16:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:16:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:16:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:16:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:16:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:16:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:16:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:16:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:16:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:16:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:16:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:16:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:16:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:16:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:16:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:16:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:16:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:16:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:16:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:16:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:16:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:16:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:16:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:16:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:16:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:16:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:16:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:16:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:16:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:16:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:16:37,400 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:16:37,400 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:16:37,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:16:37 BoogieIcfgContainer [2020-10-14 07:16:37,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:16:37,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:16:37,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:16:37,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:16:37,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:16:35" (1/3) ... [2020-10-14 07:16:37,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20aa2def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:16:37, skipping insertion in model container [2020-10-14 07:16:37,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:36" (2/3) ... [2020-10-14 07:16:37,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20aa2def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:16:37, skipping insertion in model container [2020-10-14 07:16:37,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:16:37" (3/3) ... [2020-10-14 07:16:37,414 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2020-10-14 07:16:37,425 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:16:37,433 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:16:37,448 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:16:37,470 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:16:37,471 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:16:37,471 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:16:37,471 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:16:37,471 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:16:37,471 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:16:37,472 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:16:37,472 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:16:37,493 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-10-14 07:16:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 07:16:37,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:37,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:37,505 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:37,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:37,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1827061433, now seen corresponding path program 1 times [2020-10-14 07:16:37,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:37,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610360444] [2020-10-14 07:16:37,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:37,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:38,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:38,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:41,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:42,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:42,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 07:16:42,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:16:42,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4509 [2020-10-14 07:16:42,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:42,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 07:16:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:42,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-14 07:16:42,837 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:42,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:42,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:42,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:42,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:42,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:42,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 07:16:42,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:42,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:42,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:42,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:42,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:42,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:42,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:42,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:42,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:42,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:42,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:42,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:42,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:42,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:42,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:42,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:42,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:42,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:42,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:42,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:42,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:42,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:42,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:42,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:42,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:42,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:42,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:42,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:42,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:42,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:42,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:42,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:42,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:42,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:42,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:42,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:42,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:42,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:42,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:42,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:42,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:42,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:42,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:42,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:42,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:42,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:42,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:42,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:42,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:42,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:42,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:42,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:42,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:16:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:42,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:42,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:42,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:42,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:42,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:16:42,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:42,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:42,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:42,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:42,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:42,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 07:16:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:42,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:42,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:42,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:42,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:42,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:42,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:42,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:42,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:16:43,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610360444] [2020-10-14 07:16:43,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:16:43,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 07:16:43,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652714393] [2020-10-14 07:16:43,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 07:16:43,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:43,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 07:16:43,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 07:16:43,039 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 3 states. [2020-10-14 07:16:44,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:44,465 INFO L93 Difference]: Finished difference Result 329 states and 422 transitions. [2020-10-14 07:16:44,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 07:16:44,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-14 07:16:44,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:44,482 INFO L225 Difference]: With dead ends: 329 [2020-10-14 07:16:44,482 INFO L226 Difference]: Without dead ends: 177 [2020-10-14 07:16:44,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 07:16:44,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-10-14 07:16:44,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 143. [2020-10-14 07:16:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-14 07:16:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2020-10-14 07:16:44,595 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 46 [2020-10-14 07:16:44,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:44,596 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2020-10-14 07:16:44,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 07:16:44,596 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2020-10-14 07:16:44,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 07:16:44,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:44,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:44,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:16:44,600 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:44,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:44,601 INFO L82 PathProgramCache]: Analyzing trace with hash 632131827, now seen corresponding path program 1 times [2020-10-14 07:16:44,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:44,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343719262] [2020-10-14 07:16:44,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:44,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:44,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:44,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:49,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:49,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 07:16:49,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:16:49,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 07:16:49,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:49,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:49,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 07:16:49,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:49,945 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:49,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:49,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:50,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 07:16:50,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:16:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:50,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:50,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:50,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:16:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:50,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:50,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:50,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:50,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:50,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:16:50,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:50,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:50,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:50,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:50,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:50,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:50,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:50,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:16:50,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 07:16:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:50,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:50,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:50,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:50,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:50,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:50,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:16:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:50,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:50,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:50,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:50,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:16:50,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343719262] [2020-10-14 07:16:50,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:16:50,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:16:50,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041679608] [2020-10-14 07:16:50,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:16:50,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:50,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:16:50,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:16:50,115 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand 4 states. [2020-10-14 07:16:50,441 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:16:51,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:51,477 INFO L93 Difference]: Finished difference Result 296 states and 366 transitions. [2020-10-14 07:16:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:16:51,477 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-14 07:16:51,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:51,483 INFO L225 Difference]: With dead ends: 296 [2020-10-14 07:16:51,483 INFO L226 Difference]: Without dead ends: 177 [2020-10-14 07:16:51,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:16:51,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-10-14 07:16:51,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 143. [2020-10-14 07:16:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-14 07:16:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2020-10-14 07:16:51,544 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 47 [2020-10-14 07:16:51,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:51,544 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2020-10-14 07:16:51,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:16:51,545 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2020-10-14 07:16:51,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-14 07:16:51,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:51,547 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] [2020-10-14 07:16:51,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:16:51,548 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:51,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:51,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1828962556, now seen corresponding path program 1 times [2020-10-14 07:16:51,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:51,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493093295] [2020-10-14 07:16:51,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:51,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:51,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:51,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:51,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:52,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:56,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:56,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 07:16:56,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:16:56,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:16:56,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:56,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:56,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:56,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 07:16:56,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:16:56,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:56,958 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:56,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:56,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:57,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:57,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:57,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:57,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 07:16:57,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:57,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:57,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:57,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:57,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:57,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:57,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:57,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:57,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:57,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:57,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:57,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:57,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:57,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:57,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:57,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:57,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:57,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:57,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:57,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:57,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:57,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:57,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:57,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:57,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:57,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:57,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:57,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:57,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:57,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:57,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:57,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:57,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:57,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:57,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:57,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:57,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:57,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:57,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:57,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:57,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:57,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:57,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 07:16:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:57,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:57,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:57,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:57,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 07:16:57,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:16:57,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:16:57,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:57,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 07:16:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:16:57,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:57,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:57,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:57,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:16:57,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:57,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:57,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:57,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:57,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:57,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:57,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:57,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:57,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:57,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:57,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:57,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:57,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:57,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:57,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:57,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:57,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:57,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:57,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:16:57,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 07:16:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:57,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:57,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:57,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:57,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:57,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:57,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:57,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:57,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:57,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:16:57,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 07:16:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:57,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:57,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:57,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:57,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:57,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:57,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:57,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:57,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:57,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:57,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:57,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:16:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:16:57,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493093295] [2020-10-14 07:16:57,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:16:57,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:16:57,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631221867] [2020-10-14 07:16:57,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:16:57,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:57,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:16:57,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:16:57,163 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 5 states. [2020-10-14 07:16:57,810 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:16:58,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:58,857 INFO L93 Difference]: Finished difference Result 277 states and 338 transitions. [2020-10-14 07:16:58,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:16:58,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-10-14 07:16:58,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:58,861 INFO L225 Difference]: With dead ends: 277 [2020-10-14 07:16:58,861 INFO L226 Difference]: Without dead ends: 176 [2020-10-14 07:16:58,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:16:58,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-14 07:16:58,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 134. [2020-10-14 07:16:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-14 07:16:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2020-10-14 07:16:58,940 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2020-10-14 07:16:58,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:58,941 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2020-10-14 07:16:58,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:16:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2020-10-14 07:16:58,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 07:16:58,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:58,949 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] [2020-10-14 07:16:58,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:16:58,949 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:58,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:58,950 INFO L82 PathProgramCache]: Analyzing trace with hash -316946775, now seen corresponding path program 1 times [2020-10-14 07:16:58,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:58,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1666864491] [2020-10-14 07:16:58,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:59,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:59,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:59,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:59,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:02,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:02,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:17:03,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:17:03,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 07:17:03,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:03,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 07:17:03,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:17:03,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:04,238 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:17:04,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:17:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:04,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:04,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:04,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:04,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:04,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 07:17:04,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:04,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:04,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:04,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:04,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:17:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:04,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:04,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:04,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:04,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:04,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:04,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:04,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:04,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:04,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:04,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:04,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:04,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:17:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:04,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:04,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:04,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:04,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:04,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:04,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:04,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:04,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:04,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:04,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:04,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:04,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:04,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:04,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:04,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:04,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:04,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:04,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:17:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:04,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:04,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:04,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:04,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:04,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:04,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:04,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:04,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:04,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:04,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:17:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:04,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:04,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:04,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 07:17:04,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:04,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:17:04,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:04,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:04,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:04,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:17:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:17:04,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:04,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:04,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:04,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:04,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:17:04,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:04,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:17:04,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:04,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:17:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:17:04,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:04,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:04,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:04,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:04,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:04,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:04,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:04,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:04,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:04,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:04,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:04,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:17:04,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:04,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:17:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:04,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:04,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:04,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:04,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:04,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:04,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:04,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:04,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:04,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:04,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:04,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:04,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 07:17:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:04,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:04,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:04,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:04,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:04,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:04,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:04,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:04,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:04,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:04,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:04,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:17:04,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1666864491] [2020-10-14 07:17:04,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:17:04,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:17:04,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336984818] [2020-10-14 07:17:04,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:17:04,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:17:04,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:17:04,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:17:04,469 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 7 states. [2020-10-14 07:17:04,818 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:17:06,055 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:17:06,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:17:06,663 INFO L93 Difference]: Finished difference Result 363 states and 443 transitions. [2020-10-14 07:17:06,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:17:06,664 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-10-14 07:17:06,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:17:06,669 INFO L225 Difference]: With dead ends: 363 [2020-10-14 07:17:06,669 INFO L226 Difference]: Without dead ends: 253 [2020-10-14 07:17:06,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:17:06,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-14 07:17:06,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 212. [2020-10-14 07:17:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-14 07:17:06,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 240 transitions. [2020-10-14 07:17:06,750 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 240 transitions. Word has length 64 [2020-10-14 07:17:06,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:17:06,751 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 240 transitions. [2020-10-14 07:17:06,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:17:06,751 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 240 transitions. [2020-10-14 07:17:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 07:17:06,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:17:06,753 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] [2020-10-14 07:17:06,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:17:06,754 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:17:06,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:17:06,754 INFO L82 PathProgramCache]: Analyzing trace with hash 924041624, now seen corresponding path program 1 times [2020-10-14 07:17:06,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:17:06,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712440989] [2020-10-14 07:17:06,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:17:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:06,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:07,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:07,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:07,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:09,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:11,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:11,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 07:17:11,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:17:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 07:17:11,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:11,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:11,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:17:11,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 07:17:11,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:17:11,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:12,138 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:17:12,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:17:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:12,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:12,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:17:12,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:12,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:12,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:17:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:12,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:12,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:12,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:12,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:12,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:17:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:12,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:12,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:12,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:12,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:12,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:12,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:12,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:12,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:17:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:12,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:12,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:12,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:12,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:12,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:17:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:17:12,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:17:12,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 07:17:12,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:17:12,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:12,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:17:12,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:12,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:17:12,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:17:12,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:12,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:17:12,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:12,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:17:12,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 07:17:12,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:12,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:17:12,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:12,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:12,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:12,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:12,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:12,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:17:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:12,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:12,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:12,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:12,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:17:12,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:12,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:17:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:12,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:12,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:12,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:17:12,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:12,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 07:17:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:12,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:12,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:12,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:12,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:12,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:17:12,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:12,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:17:12,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:17:12,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712440989] [2020-10-14 07:17:12,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:17:12,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:17:12,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155399956] [2020-10-14 07:17:12,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:17:12,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:17:12,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:17:12,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:17:12,312 INFO L87 Difference]: Start difference. First operand 212 states and 240 transitions. Second operand 8 states. [2020-10-14 07:17:12,723 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:17:13,768 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:17:14,052 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:17:14,293 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:17:14,640 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:17:14,894 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:17:15,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:17:15,652 INFO L93 Difference]: Finished difference Result 256 states and 306 transitions. [2020-10-14 07:17:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 07:17:15,653 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-10-14 07:17:15,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:17:15,656 INFO L225 Difference]: With dead ends: 256 [2020-10-14 07:17:15,656 INFO L226 Difference]: Without dead ends: 253 [2020-10-14 07:17:15,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:17:15,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-14 07:17:15,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 212. [2020-10-14 07:17:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-14 07:17:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 239 transitions. [2020-10-14 07:17:15,702 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 239 transitions. Word has length 78 [2020-10-14 07:17:15,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:17:15,703 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 239 transitions. [2020-10-14 07:17:15,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:17:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 239 transitions. [2020-10-14 07:17:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 07:17:15,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:17:15,705 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, 1, 1, 1, 1] [2020-10-14 07:17:15,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:17:15,705 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:17:15,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:17:15,705 INFO L82 PathProgramCache]: Analyzing trace with hash -129956604, now seen corresponding path program 1 times [2020-10-14 07:17:15,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:17:15,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437234494] [2020-10-14 07:17:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:17:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:15,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:15,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:17,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:17,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 07:17:17,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:17:17,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1871 [2020-10-14 07:17:17,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:17,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 07:17:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:17:17,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:17,837 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:17:17,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:17:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:17,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:17,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:17,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:17,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:17,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:17:17,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:17,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:17,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:17,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:17,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:17,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:17,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:17:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:17,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:17,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:17,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:17,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:17,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:17,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:17,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:17,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:17:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:17,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:17,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:17,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:17,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:17,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:17,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:17,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:17,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:17,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:17,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:17,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:17,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:17,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:17,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:17,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:17,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:17,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:17,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:17,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:17:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:17,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:17,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:17,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:17,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:17,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:17,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:17,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:17,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:17,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:17:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:17,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:17,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:17,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:17:17,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:17,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 07:17:17,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:17,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:17,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:17,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 07:17:17,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:17:17,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:17,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:17,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:17,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:17,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 07:17:17,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:17,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 07:17:17,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:17,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:17,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:17,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 07:17:17,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:17:17,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:18,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:18,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:18,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:18,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:17:18,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:18,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:17:18,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:18,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:17:18,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:18,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:18,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:18,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:18,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:17:18,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:18,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:18,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:18,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:18,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:18,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:18,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:18,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:17:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:18,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:18,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:18,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 07:17:18,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:18,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:17:18,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:18,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:18,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 07:17:18,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:18,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:18,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:18,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:18,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:18,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:17:18,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:18,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:18,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:18,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:18,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:18,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:18,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:18,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:18,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:18,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:18,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:18,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:18,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:18,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:18,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:18,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:18,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:18,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:18,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:18,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:18,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:18,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:18,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:18,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:18,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:18,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:18,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:18,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:18,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 07:17:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:18,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:18,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:18,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:18,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:18,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:18,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:18,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:18,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:18,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:18,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:18,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 07:17:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:18,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:18,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:18,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:18,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:18,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:18,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:18,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:18,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:18,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:18,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:18,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:18,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:17:18,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437234494] [2020-10-14 07:17:18,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:17:18,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:17:18,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290359288] [2020-10-14 07:17:18,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:17:18,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:17:18,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:17:18,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:17:18,110 INFO L87 Difference]: Start difference. First operand 212 states and 239 transitions. Second operand 8 states. [2020-10-14 07:17:19,007 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:17:19,244 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:17:19,505 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:17:19,732 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:17:20,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:17:20,678 INFO L93 Difference]: Finished difference Result 442 states and 530 transitions. [2020-10-14 07:17:20,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 07:17:20,678 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-14 07:17:20,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:17:20,681 INFO L225 Difference]: With dead ends: 442 [2020-10-14 07:17:20,681 INFO L226 Difference]: Without dead ends: 254 [2020-10-14 07:17:20,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:17:20,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-14 07:17:20,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 217. [2020-10-14 07:17:20,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-14 07:17:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 244 transitions. [2020-10-14 07:17:20,729 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 244 transitions. Word has length 94 [2020-10-14 07:17:20,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:17:20,729 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 244 transitions. [2020-10-14 07:17:20,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:17:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 244 transitions. [2020-10-14 07:17:20,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 07:17:20,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:17:20,731 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, 1, 1, 1, 1] [2020-10-14 07:17:20,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:17:20,731 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:17:20,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:17:20,731 INFO L82 PathProgramCache]: Analyzing trace with hash 763529734, now seen corresponding path program 1 times [2020-10-14 07:17:20,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:17:20,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108612965] [2020-10-14 07:17:20,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:17:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:20,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:20,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 07:17:22,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:17:22,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1614 [2020-10-14 07:17:22,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:22,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 07:17:22,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:17:22,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:22,610 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:17:22,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:17:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:22,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:17:22,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:22,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:22,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:22,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:17:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:22,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:22,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:22,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:22,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:17:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:22,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:22,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:22,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:22,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:22,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:22,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:22,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:22,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:22,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:22,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:22,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:22,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:17:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:22,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:22,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:22,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:22,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:22,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:22,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:17:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:17:22,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:17:22,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:22,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 07:17:22,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:17:22,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:22,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 07:17:22,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:17:22,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:22,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:17:22,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:17:22,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:22,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:17:22,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:17:22,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:17:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:17:22,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:22,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:17:22,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:22,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:17:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:17:22,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:22,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:17:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 07:17:22,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:17:22,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 07:17:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:22,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:22,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:17:22,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:22,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:22,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:22,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:22,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:22,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:22,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:22,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:22,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:22,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:22,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:22,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:22,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:22,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:22,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 07:17:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:22,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:22,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:22,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:22,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:22,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:22,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 07:17:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:22,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:22,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:22,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:22,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:22,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:22,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:22,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:17:22,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108612965] [2020-10-14 07:17:22,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:17:22,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:17:22,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883036630] [2020-10-14 07:17:22,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:17:22,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:17:22,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:17:22,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:17:22,829 INFO L87 Difference]: Start difference. First operand 217 states and 244 transitions. Second operand 7 states. [2020-10-14 07:17:23,669 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:17:23,926 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:17:24,178 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:17:25,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:17:25,125 INFO L93 Difference]: Finished difference Result 449 states and 538 transitions. [2020-10-14 07:17:25,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:17:25,125 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-10-14 07:17:25,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:17:25,129 INFO L225 Difference]: With dead ends: 449 [2020-10-14 07:17:25,130 INFO L226 Difference]: Without dead ends: 256 [2020-10-14 07:17:25,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:17:25,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-10-14 07:17:25,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 221. [2020-10-14 07:17:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-14 07:17:25,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 248 transitions. [2020-10-14 07:17:25,169 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 248 transitions. Word has length 94 [2020-10-14 07:17:25,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:17:25,169 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 248 transitions. [2020-10-14 07:17:25,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:17:25,169 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 248 transitions. [2020-10-14 07:17:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 07:17:25,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:17:25,171 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, 1, 1, 1, 1] [2020-10-14 07:17:25,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:17:25,171 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:17:25,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:17:25,171 INFO L82 PathProgramCache]: Analyzing trace with hash 755770375, now seen corresponding path program 1 times [2020-10-14 07:17:25,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:17:25,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987872320] [2020-10-14 07:17:25,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:17:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:25,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:25,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:26,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 07:17:27,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:17:27,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1923 [2020-10-14 07:17:27,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:27,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 07:17:27,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:17:27,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,379 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:17:27,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:17:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:27,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:17:27,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:27,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:17:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:27,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:27,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:27,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:27,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:17:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:27,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:27,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:27,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:27,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:27,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:27,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:27,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:17:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:27,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:27,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:27,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:27,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:17:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:17:27,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:17:27,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:27,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:17:27,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 07:17:27,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:17:27,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:27,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:17:27,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:17:27,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:17:27,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:27,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:17:27,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:17:27,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:27,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:17:27,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:27,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:17:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 07:17:27,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:17:27,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:17:27,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:17:27,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:27,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:27,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:27,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:27,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:27,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:27,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:27,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:27,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:27,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:27,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:27,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 07:17:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:27,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:27,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:27,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:27,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:17:27,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 07:17:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:27,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:27,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:27,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:27,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:27,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:27,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:27,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:27,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:27,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:27,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:27,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:17:27,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987872320] [2020-10-14 07:17:27,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:17:27,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:17:27,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310593608] [2020-10-14 07:17:27,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:17:27,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:17:27,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:17:27,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:17:27,590 INFO L87 Difference]: Start difference. First operand 221 states and 248 transitions. Second operand 8 states. [2020-10-14 07:17:28,252 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:17:29,192 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:17:29,621 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-10-14 07:17:29,882 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:17:30,130 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:17:30,386 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:17:31,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:17:31,414 INFO L93 Difference]: Finished difference Result 547 states and 703 transitions. [2020-10-14 07:17:31,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 07:17:31,415 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-14 07:17:31,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:17:31,419 INFO L225 Difference]: With dead ends: 547 [2020-10-14 07:17:31,419 INFO L226 Difference]: Without dead ends: 350 [2020-10-14 07:17:31,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:17:31,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-10-14 07:17:31,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 298. [2020-10-14 07:17:31,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-14 07:17:31,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 354 transitions. [2020-10-14 07:17:31,470 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 354 transitions. Word has length 94 [2020-10-14 07:17:31,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:17:31,471 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 354 transitions. [2020-10-14 07:17:31,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:17:31,471 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 354 transitions. [2020-10-14 07:17:31,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-14 07:17:31,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:17:31,474 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:17:31,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 07:17:31,474 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:17:31,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:17:31,475 INFO L82 PathProgramCache]: Analyzing trace with hash 520462399, now seen corresponding path program 1 times [2020-10-14 07:17:31,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:17:31,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63754302] [2020-10-14 07:17:31,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:17:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:31,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:31,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:31,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:33,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 07:17:36,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:17:36,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:17:36,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:17:36,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 07:17:36,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-14 07:17:36,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:36,749 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:17:36,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:17:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:36,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:17:36,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:36,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:17:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:36,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:36,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:36,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:36,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:36,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:17:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:36,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:36,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:36,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:36,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:36,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:36,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:36,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:36,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:17:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:36,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:36,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:36,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:36,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 07:17:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:36,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:36,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:17:36,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:36,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:17:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:17:36,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:17:36,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:17:36,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:36,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 07:17:36,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:36,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:17:36,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:17:36,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:17:36,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:36,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 07:17:36,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:17:36,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:17:36,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:36,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:17:36,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:17:36,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:36,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:17:36,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:36,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:17:36,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:36,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:17:36,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:36,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:17:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 07:17:36,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:17:36,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:36,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:17:36,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:36,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:17:36,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:36,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:36,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:36,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:36,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:36,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:36,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:36,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:36,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:36,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:36,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:36,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:36,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:36,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:36,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:36,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:37,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:37,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:37,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:37,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:37,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:37,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 07:17:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:37,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:37,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:37,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 07:17:37,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:37,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:17:37,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:37,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:17:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:37,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:37,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:37,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:37,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:37,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:37,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:37,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:37,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:37,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:37,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:37,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:37,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:37,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 07:17:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:37,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:37,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:37,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:37,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:37,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:17:37,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:37,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:17:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:17:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:37,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 07:17:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:37,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:37,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:37,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 07:17:37,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:37,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:17:37,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:37,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 07:17:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:17:37,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:37,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:37,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:37,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:37,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:17:37,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:37,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:17:37,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:37,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:37,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:37,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 07:17:37,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:37,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:37,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:37,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:37,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:37,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:37,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:17:37,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:37,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:17:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:17:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:37,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 07:17:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:37,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:37,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:37,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:17:37,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:37,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:37,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:37,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:37,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:37,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:37,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:17:37,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:37,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:37,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:37,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:37,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:37,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:37,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:37,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:37,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:37,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 07:17:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:37,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:37,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:37,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:37,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:37,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:37,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:37,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:37,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:37,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 07:17:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:37,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:37,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:37,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:37,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:37,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:37,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:37,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:37,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:37,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 07:17:37,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63754302] [2020-10-14 07:17:37,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:17:37,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 07:17:37,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874333505] [2020-10-14 07:17:37,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 07:17:37,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:17:37,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 07:17:37,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-14 07:17:37,263 INFO L87 Difference]: Start difference. First operand 298 states and 354 transitions. Second operand 13 states. [2020-10-14 07:17:37,731 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:17:38,353 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:17:40,303 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 190 [2020-10-14 07:17:40,771 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-10-14 07:17:41,206 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-14 07:17:41,855 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-14 07:17:42,098 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-14 07:17:42,327 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:17:42,540 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:17:43,712 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-14 07:17:44,003 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-14 07:17:44,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:17:44,897 INFO L93 Difference]: Finished difference Result 1032 states and 1384 transitions. [2020-10-14 07:17:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 07:17:44,898 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 151 [2020-10-14 07:17:44,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:17:44,903 INFO L225 Difference]: With dead ends: 1032 [2020-10-14 07:17:44,903 INFO L226 Difference]: Without dead ends: 758 [2020-10-14 07:17:44,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=298, Invalid=1034, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 07:17:44,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-10-14 07:17:45,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 577. [2020-10-14 07:17:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2020-10-14 07:17:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 693 transitions. [2020-10-14 07:17:45,038 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 693 transitions. Word has length 151 [2020-10-14 07:17:45,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:17:45,039 INFO L479 AbstractCegarLoop]: Abstraction has 577 states and 693 transitions. [2020-10-14 07:17:45,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 07:17:45,039 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 693 transitions. [2020-10-14 07:17:45,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-14 07:17:45,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:17:45,042 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:17:45,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 07:17:45,042 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:17:45,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:17:45,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1449336385, now seen corresponding path program 1 times [2020-10-14 07:17:45,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:17:45,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [463373684] [2020-10-14 07:17:45,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:17:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:45,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:45,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:45,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:45,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 07:17:50,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:17:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:17:50,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-14 07:17:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:17:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:50,319 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:17:50,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:17:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:50,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 07:17:50,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:17:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:50,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:17:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:50,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:50,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:50,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:17:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:50,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:50,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 07:17:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:50,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:17:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:17:50,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:17:50,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:17:50,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:17:50,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 07:17:50,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:17:50,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:17:50,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:50,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:17:50,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:17:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 07:17:50,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:17:50,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:17:50,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:50,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:17:50,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:50,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:17:50,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:50,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:17:50,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 07:17:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 07:17:50,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:50,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:50,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 07:17:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:50,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 07:17:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 07:17:50,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 07:17:50,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:50,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 07:17:50,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:17:50,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:17:50,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:17:50,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:50,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:17:50,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:50,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 07:17:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:17:50,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 07:17:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:50,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:50,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 07:17:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:50,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:50,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 07:17:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:50,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:50,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:50,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:50,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:50,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:50,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:50,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:50,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-14 07:17:50,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [463373684] [2020-10-14 07:17:50,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:17:50,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 07:17:50,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105072785] [2020-10-14 07:17:50,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 07:17:50,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:17:50,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 07:17:50,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:17:50,876 INFO L87 Difference]: Start difference. First operand 577 states and 693 transitions. Second operand 10 states. [2020-10-14 07:17:52,732 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:17:52,957 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:17:53,184 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:17:53,400 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:17:53,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:17:53,709 INFO L93 Difference]: Finished difference Result 876 states and 1092 transitions. [2020-10-14 07:17:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:17:53,710 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 151 [2020-10-14 07:17:53,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:17:53,711 INFO L225 Difference]: With dead ends: 876 [2020-10-14 07:17:53,711 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:17:53,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:17:53,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:17:53,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:17:53,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:17:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:17:53,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-10-14 07:17:53,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:17:53,716 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:17:53,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 07:17:53,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:17:53,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:17:53,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 07:17:53,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:17:55,096 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 232 [2020-10-14 07:17:56,482 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 235 [2020-10-14 07:17:57,440 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 232 [2020-10-14 07:17:57,843 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 235 [2020-10-14 07:17:58,582 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-10-14 07:17:58,742 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-10-14 07:17:58,912 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-10-14 07:17:59,068 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-10-14 07:17:59,237 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-10-14 07:17:59,462 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-10-14 07:17:59,626 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-10-14 07:17:59,798 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-10-14 07:17:59,993 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-10-14 07:18:00,789 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 26 [2020-10-14 07:18:01,023 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 31 [2020-10-14 07:18:01,546 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 21 [2020-10-14 07:18:01,744 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:18:01,892 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-14 07:18:02,363 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-10-14 07:18:02,837 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-10-14 07:18:03,172 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-10-14 07:18:03,324 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-10-14 07:18:03,483 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-10-14 07:18:04,275 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 26 [2020-10-14 07:18:04,665 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 21 [2020-10-14 07:18:04,816 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-14 07:18:05,145 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-10-14 07:18:05,330 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-10-14 07:18:05,507 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-10-14 07:18:05,704 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-10-14 07:18:05,861 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-10-14 07:18:06,021 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-10-14 07:18:06,539 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-10-14 07:18:07,269 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 26 [2020-10-14 07:18:08,053 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 26 [2020-10-14 07:18:08,210 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-10-14 07:18:08,369 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-10-14 07:18:08,692 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-14 07:18:08,839 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-10-14 07:18:09,000 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-10-14 07:18:09,170 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-10-14 07:18:09,365 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-14 07:18:09,528 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-14 07:18:09,748 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-10-14 07:18:09,794 INFO L268 CegarLoopResult]: For program point L698(lines 675 699) no Hoare annotation was computed. [2020-10-14 07:18:09,794 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 651 706) no Hoare annotation was computed. [2020-10-14 07:18:09,794 INFO L268 CegarLoopResult]: For program point L682(lines 682 686) no Hoare annotation was computed. [2020-10-14 07:18:09,794 INFO L268 CegarLoopResult]: For program point L682-1(lines 682 686) no Hoare annotation was computed. [2020-10-14 07:18:09,795 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 651 706) no Hoare annotation was computed. [2020-10-14 07:18:09,795 INFO L268 CegarLoopResult]: For program point L677(line 677) no Hoare annotation was computed. [2020-10-14 07:18:09,795 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 651 706) no Hoare annotation was computed. [2020-10-14 07:18:09,795 INFO L268 CegarLoopResult]: For program point L676-2(lines 676 697) no Hoare annotation was computed. [2020-10-14 07:18:09,795 INFO L268 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-10-14 07:18:09,796 INFO L268 CegarLoopResult]: For program point L733-2(lines 733 758) no Hoare annotation was computed. [2020-10-14 07:18:09,796 INFO L268 CegarLoopResult]: For program point L759(lines 732 760) no Hoare annotation was computed. [2020-10-14 07:18:09,796 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 707 766) no Hoare annotation was computed. [2020-10-14 07:18:09,796 INFO L268 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed. [2020-10-14 07:18:09,796 INFO L268 CegarLoopResult]: For program point L752-1(line 752) no Hoare annotation was computed. [2020-10-14 07:18:09,796 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 707 766) no Hoare annotation was computed. [2020-10-14 07:18:09,796 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 707 766) no Hoare annotation was computed. [2020-10-14 07:18:09,797 INFO L268 CegarLoopResult]: For program point L739(lines 739 743) no Hoare annotation was computed. [2020-10-14 07:18:09,797 INFO L268 CegarLoopResult]: For program point L739-1(lines 739 743) no Hoare annotation was computed. [2020-10-14 07:18:09,797 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 486 492) the Hoare annotation is: true [2020-10-14 07:18:09,797 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 486 492) no Hoare annotation was computed. [2020-10-14 07:18:09,797 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 493 501) no Hoare annotation was computed. [2020-10-14 07:18:09,797 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 493 501) the Hoare annotation is: true [2020-10-14 07:18:09,797 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 493 501) no Hoare annotation was computed. [2020-10-14 07:18:09,798 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2020-10-14 07:18:09,798 INFO L264 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (<= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= ~pumpRunning~0 0))))) [2020-10-14 07:18:09,798 INFO L268 CegarLoopResult]: For program point L348(lines 348 354) no Hoare annotation was computed. [2020-10-14 07:18:09,798 INFO L264 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 2 ~waterLevel~0))) [2020-10-14 07:18:09,798 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-10-14 07:18:09,798 INFO L268 CegarLoopResult]: For program point L344(lines 344 357) no Hoare annotation was computed. [2020-10-14 07:18:09,798 INFO L268 CegarLoopResult]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2020-10-14 07:18:09,799 INFO L271 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: true [2020-10-14 07:18:09,799 INFO L268 CegarLoopResult]: For program point L342-1(line 342) no Hoare annotation was computed. [2020-10-14 07:18:09,799 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2020-10-14 07:18:09,799 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 575 597) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:18:09,799 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 575 597) no Hoare annotation was computed. [2020-10-14 07:18:09,799 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 575 597) no Hoare annotation was computed. [2020-10-14 07:18:09,799 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:18:09,800 INFO L264 CegarLoopResult]: At program point L587-1(line 587) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:18:09,800 INFO L268 CegarLoopResult]: For program point L585(lines 585 592) no Hoare annotation was computed. [2020-10-14 07:18:09,800 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 592) no Hoare annotation was computed. [2020-10-14 07:18:09,800 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-14 07:18:09,800 INFO L264 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:18:09,800 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:18:09,801 INFO L264 CegarLoopResult]: At program point L581-1(line 581) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:18:09,801 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-14 07:18:09,801 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-14 07:18:09,801 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 534 557) no Hoare annotation was computed. [2020-10-14 07:18:09,801 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-14 07:18:09,801 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-14 07:18:09,801 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-14 07:18:09,801 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 534 557) no Hoare annotation was computed. [2020-10-14 07:18:09,801 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-14 07:18:09,802 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 534 557) no Hoare annotation was computed. [2020-10-14 07:18:09,802 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-14 07:18:09,802 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-14 07:18:09,802 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-14 07:18:09,802 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-14 07:18:09,802 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-14 07:18:09,802 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-14 07:18:09,802 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-14 07:18:09,802 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-14 07:18:09,802 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 250 258) no Hoare annotation was computed. [2020-10-14 07:18:09,803 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 250 258) the Hoare annotation is: true [2020-10-14 07:18:09,803 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 250 258) no Hoare annotation was computed. [2020-10-14 07:18:09,803 INFO L271 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: true [2020-10-14 07:18:09,803 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2020-10-14 07:18:09,803 INFO L268 CegarLoopResult]: For program point L321-1(line 321) no Hoare annotation was computed. [2020-10-14 07:18:09,803 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 314 332) the Hoare annotation is: true [2020-10-14 07:18:09,803 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 314 332) no Hoare annotation was computed. [2020-10-14 07:18:09,803 INFO L268 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-10-14 07:18:09,803 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 314 332) no Hoare annotation was computed. [2020-10-14 07:18:09,803 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-10-14 07:18:09,804 INFO L268 CegarLoopResult]: For program point L289-1(line 289) no Hoare annotation was computed. [2020-10-14 07:18:09,804 INFO L268 CegarLoopResult]: For program point L278(lines 278 286) no Hoare annotation was computed. [2020-10-14 07:18:09,804 INFO L268 CegarLoopResult]: For program point L278-2(lines 278 286) no Hoare annotation was computed. [2020-10-14 07:18:09,804 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 259 294) no Hoare annotation was computed. [2020-10-14 07:18:09,804 INFO L268 CegarLoopResult]: For program point L266(lines 266 274) no Hoare annotation was computed. [2020-10-14 07:18:09,804 INFO L268 CegarLoopResult]: For program point L266-2(lines 266 274) no Hoare annotation was computed. [2020-10-14 07:18:09,804 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 259 294) no Hoare annotation was computed. [2020-10-14 07:18:09,804 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 259 294) no Hoare annotation was computed. [2020-10-14 07:18:09,804 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 479 485) no Hoare annotation was computed. [2020-10-14 07:18:09,804 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 479 485) the Hoare annotation is: true [2020-10-14 07:18:09,805 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 605 650) no Hoare annotation was computed. [2020-10-14 07:18:09,805 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 605 650) no Hoare annotation was computed. [2020-10-14 07:18:09,805 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 605 650) no Hoare annotation was computed. [2020-10-14 07:18:09,805 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 918 963) no Hoare annotation was computed. [2020-10-14 07:18:09,805 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 918 963) no Hoare annotation was computed. [2020-10-14 07:18:09,805 INFO L268 CegarLoopResult]: For program point L938(lines 938 945) no Hoare annotation was computed. [2020-10-14 07:18:09,805 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 918 963) no Hoare annotation was computed. [2020-10-14 07:18:09,805 INFO L268 CegarLoopResult]: For program point L932(lines 932 952) no Hoare annotation was computed. [2020-10-14 07:18:09,805 INFO L268 CegarLoopResult]: For program point L932-1(lines 932 952) no Hoare annotation was computed. [2020-10-14 07:18:09,806 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 565 574) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:18:09,806 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 565 574) no Hoare annotation was computed. [2020-10-14 07:18:09,806 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 565 574) no Hoare annotation was computed. [2020-10-14 07:18:09,806 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 239 249) the Hoare annotation is: true [2020-10-14 07:18:09,806 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 239 249) no Hoare annotation was computed. [2020-10-14 07:18:09,806 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 239 249) no Hoare annotation was computed. [2020-10-14 07:18:09,806 INFO L271 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: true [2020-10-14 07:18:09,806 INFO L268 CegarLoopResult]: For program point L244-1(line 244) no Hoare annotation was computed. [2020-10-14 07:18:09,807 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 231 238) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (<= 1 |old(~pumpRunning~0)|))) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-14 07:18:09,807 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 231 238) no Hoare annotation was computed. [2020-10-14 07:18:09,807 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 231 238) no Hoare annotation was computed. [2020-10-14 07:18:09,807 INFO L268 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2020-10-14 07:18:09,807 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2020-10-14 07:18:09,807 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2020-10-14 07:18:09,807 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2020-10-14 07:18:09,808 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (not (= 0 processEnvironment_~tmp~2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1))) [2020-10-14 07:18:09,808 INFO L268 CegarLoopResult]: For program point L188(lines 188 196) no Hoare annotation was computed. [2020-10-14 07:18:09,808 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (<= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-10-14 07:18:09,808 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-10-14 07:18:09,808 INFO L268 CegarLoopResult]: For program point L184(lines 184 201) no Hoare annotation was computed. [2020-10-14 07:18:09,808 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 180 204) no Hoare annotation was computed. [2020-10-14 07:18:09,808 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 180 204) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-14 07:18:09,809 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse0 (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (<= 1 |old(~pumpRunning~0)|))) .cse1))) [2020-10-14 07:18:09,809 INFO L268 CegarLoopResult]: For program point L199-1(lines 180 204) no Hoare annotation was computed. [2020-10-14 07:18:09,809 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0))) [2020-10-14 07:18:09,809 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 146 152) no Hoare annotation was computed. [2020-10-14 07:18:09,809 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 146 152) the Hoare annotation is: true [2020-10-14 07:18:09,809 INFO L264 CegarLoopResult]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0)))) [2020-10-14 07:18:09,809 INFO L268 CegarLoopResult]: For program point L64(lines 64 70) no Hoare annotation was computed. [2020-10-14 07:18:09,809 INFO L264 CegarLoopResult]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:18:09,810 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2020-10-14 07:18:09,810 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-10-14 07:18:09,810 INFO L268 CegarLoopResult]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2020-10-14 07:18:09,810 INFO L264 CegarLoopResult]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-10-14 07:18:09,810 INFO L268 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2020-10-14 07:18:09,810 INFO L264 CegarLoopResult]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0)))) [2020-10-14 07:18:09,810 INFO L268 CegarLoopResult]: For program point L55(lines 54 99) no Hoare annotation was computed. [2020-10-14 07:18:09,810 INFO L268 CegarLoopResult]: For program point L84(lines 84 95) no Hoare annotation was computed. [2020-10-14 07:18:09,811 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0)))) [2020-10-14 07:18:09,811 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-10-14 07:18:09,811 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-10-14 07:18:09,811 INFO L268 CegarLoopResult]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2020-10-14 07:18:09,811 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0)))) [2020-10-14 07:18:09,811 INFO L268 CegarLoopResult]: For program point L892(lines 892 899) no Hoare annotation was computed. [2020-10-14 07:18:09,811 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 872 917) no Hoare annotation was computed. [2020-10-14 07:18:09,811 INFO L268 CegarLoopResult]: For program point L886(lines 886 906) no Hoare annotation was computed. [2020-10-14 07:18:09,812 INFO L268 CegarLoopResult]: For program point L886-1(lines 886 906) no Hoare annotation was computed. [2020-10-14 07:18:09,812 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 872 917) no Hoare annotation was computed. [2020-10-14 07:18:09,812 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 872 917) no Hoare annotation was computed. [2020-10-14 07:18:09,812 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 205 212) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-14 07:18:09,812 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 205 212) no Hoare annotation was computed. [2020-10-14 07:18:09,812 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 205 212) no Hoare annotation was computed. [2020-10-14 07:18:09,812 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 455 463) no Hoare annotation was computed. [2020-10-14 07:18:09,813 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 455 463) the Hoare annotation is: true [2020-10-14 07:18:09,813 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 455 463) no Hoare annotation was computed. [2020-10-14 07:18:09,813 INFO L268 CegarLoopResult]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-10-14 07:18:09,813 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2020-10-14 07:18:09,813 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2020-10-14 07:18:09,813 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2020-10-14 07:18:09,813 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2020-10-14 07:18:09,813 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 469 478) no Hoare annotation was computed. [2020-10-14 07:18:09,813 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 469 478) no Hoare annotation was computed. [2020-10-14 07:18:09,814 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 469 478) no Hoare annotation was computed. [2020-10-14 07:18:09,814 INFO L268 CegarLoopResult]: For program point L834-1(line 834) no Hoare annotation was computed. [2020-10-14 07:18:09,814 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 769 871) no Hoare annotation was computed. [2020-10-14 07:18:09,814 INFO L268 CegarLoopResult]: For program point L793(lines 793 797) no Hoare annotation was computed. [2020-10-14 07:18:09,814 INFO L268 CegarLoopResult]: For program point L857(lines 857 868) no Hoare annotation was computed. [2020-10-14 07:18:09,814 INFO L268 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2020-10-14 07:18:09,814 INFO L268 CegarLoopResult]: For program point L818-2(lines 818 838) no Hoare annotation was computed. [2020-10-14 07:18:09,814 INFO L268 CegarLoopResult]: For program point L839(lines 817 840) no Hoare annotation was computed. [2020-10-14 07:18:09,814 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 769 871) no Hoare annotation was computed. [2020-10-14 07:18:09,815 INFO L268 CegarLoopResult]: For program point L798(lines 798 814) no Hoare annotation was computed. [2020-10-14 07:18:09,815 INFO L268 CegarLoopResult]: For program point L858(lines 858 865) no Hoare annotation was computed. [2020-10-14 07:18:09,815 INFO L268 CegarLoopResult]: For program point L819(lines 818 838) no Hoare annotation was computed. [2020-10-14 07:18:09,815 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-10-14 07:18:09,815 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 769 871) no Hoare annotation was computed. [2020-10-14 07:18:09,815 INFO L268 CegarLoopResult]: For program point L850-1(line 850) no Hoare annotation was computed. [2020-10-14 07:18:09,815 INFO L268 CegarLoopResult]: For program point L815(lines 815 856) no Hoare annotation was computed. [2020-10-14 07:18:09,815 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-10-14 07:18:09,815 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:18:09,816 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-14 07:18:09,816 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:18:09,816 INFO L264 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-14 07:18:09,816 INFO L268 CegarLoopResult]: For program point L225-1(lines 214 230) no Hoare annotation was computed. [2020-10-14 07:18:09,816 INFO L268 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2020-10-14 07:18:09,816 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 214 230) no Hoare annotation was computed. [2020-10-14 07:18:09,816 INFO L264 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-14 07:18:09,817 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-10-14 07:18:09,817 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 214 230) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-14 07:18:09,817 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 295 313) no Hoare annotation was computed. [2020-10-14 07:18:09,817 INFO L268 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2020-10-14 07:18:09,817 INFO L271 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: true [2020-10-14 07:18:09,817 INFO L268 CegarLoopResult]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2020-10-14 07:18:09,817 INFO L268 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-10-14 07:18:09,817 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 295 313) the Hoare annotation is: true [2020-10-14 07:18:09,818 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 295 313) no Hoare annotation was computed. [2020-10-14 07:18:09,818 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2020-10-14 07:18:09,818 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2020-10-14 07:18:09,818 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2020-10-14 07:18:09,818 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 (not (<= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse1 (not (<= ~pumpRunning~0 0))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-10-14 07:18:09,818 INFO L268 CegarLoopResult]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2020-10-14 07:18:09,818 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2020-10-14 07:18:09,818 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:18:09,818 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:18:09,819 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:18:09,819 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|))))) [2020-10-14 07:18:09,819 INFO L268 CegarLoopResult]: For program point L126(lines 125 144) no Hoare annotation was computed. [2020-10-14 07:18:09,819 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 122 145) 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 (<= |old(~pumpRunning~0)| 0)) .cse1 (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-10-14 07:18:09,819 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 122 145) no Hoare annotation was computed. [2020-10-14 07:18:09,819 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (<= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|))))) [2020-10-14 07:18:09,820 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 122 145) no Hoare annotation was computed. [2020-10-14 07:18:09,820 INFO L264 CegarLoopResult]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse1 (<= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) .cse2 (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse2 (and (<= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= ~pumpRunning~0 0)) (not (<= 2 |old(~waterLevel~0)|)))))) [2020-10-14 07:18:09,820 INFO L271 CegarLoopResult]: At program point L514-2(lines 514 528) the Hoare annotation is: true [2020-10-14 07:18:09,820 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 504 533) no Hoare annotation was computed. [2020-10-14 07:18:09,820 INFO L271 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: true [2020-10-14 07:18:09,820 INFO L268 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2020-10-14 07:18:09,820 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 504 533) the Hoare annotation is: true [2020-10-14 07:18:09,821 INFO L271 CegarLoopResult]: At program point L529(lines 504 533) the Hoare annotation is: true [2020-10-14 07:18:09,821 INFO L268 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-14 07:18:09,821 INFO L268 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-10-14 07:18:09,821 INFO L271 CegarLoopResult]: At program point L518-1(lines 518 522) the Hoare annotation is: true [2020-10-14 07:18:09,821 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-14 07:18:09,821 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2020-10-14 07:18:09,821 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2020-10-14 07:18:09,822 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2020-10-14 07:18:09,822 INFO L268 CegarLoopResult]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2020-10-14 07:18:09,822 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (and (not (<= 1 ~pumpRunning~0)) (not (<= (+ ~pumpRunning~0 1) 0)))) [2020-10-14 07:18:09,822 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2020-10-14 07:18:09,822 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 558 564) no Hoare annotation was computed. [2020-10-14 07:18:09,822 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 558 564) the Hoare annotation is: true [2020-10-14 07:18:09,822 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:18:09,822 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)) [2020-10-14 07:18:09,823 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:18:09,823 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:18:09,823 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 154 178) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-14 07:18:09,823 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-14 07:18:09,823 INFO L268 CegarLoopResult]: For program point L160-1(line 160) no Hoare annotation was computed. [2020-10-14 07:18:09,823 INFO L268 CegarLoopResult]: For program point L158(lines 158 175) no Hoare annotation was computed. [2020-10-14 07:18:09,823 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 154 178) no Hoare annotation was computed. [2020-10-14 07:18:09,823 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2020-10-14 07:18:09,823 INFO L268 CegarLoopResult]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2020-10-14 07:18:09,824 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (and (< 0 (+ processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) [2020-10-14 07:18:09,824 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0)) (not (<= 1 ~waterLevel~0))) [2020-10-14 07:18:09,824 INFO L268 CegarLoopResult]: For program point L162(lines 162 170) no Hoare annotation was computed. [2020-10-14 07:18:09,824 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2020-10-14 07:18:09,824 INFO L268 CegarLoopResult]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2020-10-14 07:18:09,824 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1 (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))))) [2020-10-14 07:18:09,824 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 965 972) no Hoare annotation was computed. [2020-10-14 07:18:09,825 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2020-10-14 07:18:09,825 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 965 972) the Hoare annotation is: true [2020-10-14 07:18:09,825 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 965 972) no Hoare annotation was computed. [2020-10-14 07:18:09,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:18:09 BoogieIcfgContainer [2020-10-14 07:18:09,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:18:09,848 INFO L168 Benchmark]: Toolchain (without parser) took 94393.66 ms. Allocated memory was 147.3 MB in the beginning and 1.0 GB in the end (delta: 886.0 MB). Free memory was 102.6 MB in the beginning and 798.8 MB in the end (delta: -696.3 MB). Peak memory consumption was 905.5 MB. Max. memory is 7.1 GB. [2020-10-14 07:18:09,849 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 07:18:09,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.60 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 172.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-10-14 07:18:09,850 INFO L168 Benchmark]: Boogie Preprocessor took 93.29 ms. Allocated memory is still 204.5 MB. Free memory was 172.3 MB in the beginning and 167.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:18:09,851 INFO L168 Benchmark]: RCFGBuilder took 1200.79 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 167.4 MB in the beginning and 192.9 MB in the end (delta: -25.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2020-10-14 07:18:09,852 INFO L168 Benchmark]: TraceAbstraction took 92439.27 ms. Allocated memory was 235.9 MB in the beginning and 1.0 GB in the end (delta: 797.4 MB). Free memory was 192.9 MB in the beginning and 798.8 MB in the end (delta: -605.9 MB). Peak memory consumption was 907.3 MB. Max. memory is 7.1 GB. [2020-10-14 07:18:09,854 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.60 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 172.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.29 ms. Allocated memory is still 204.5 MB. Free memory was 172.3 MB in the beginning and 167.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1200.79 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 167.4 MB in the beginning and 192.9 MB in the end (delta: -25.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 92439.27 ms. Allocated memory was 235.9 MB in the beginning and 1.0 GB in the end (delta: 797.4 MB). Free memory was 192.9 MB in the beginning and 798.8 MB in the end (delta: -605.9 MB). Peak memory consumption was 907.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 969]: 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: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) <= 0) || !(1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= \old(pumpRunning))) || (((splverifierCounter <= 0 && 0 <= pumpRunning) && 1 <= waterLevel) && pumpRunning <= 0)) || (splverifierCounter <= 0 && 2 <= waterLevel) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) <= 0) || !(1 <= \old(waterLevel))) || !(0 <= \old(pumpRunning))) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 76.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 29.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1395 SDtfs, 2636 SDslu, 1204 SDs, 0 SdLazy, 5972 SolverSat, 1715 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 306 SyntacticMatches, 10 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 12.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=577occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 497 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 914 PreInvPairs, 1001 NumberOfFragments, 1238 HoareAnnotationTreeSize, 914 FomulaSimplifications, 38717101 FormulaSimplificationTreeSizeReduction, 4.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 1328297 FormulaSimplificationTreeSizeReductionInter, 11.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 45.5s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 869 ConstructedInterpolants, 0 QuantifiedInterpolants, 305185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 50/56 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...