/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:33:50,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:33:50,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:33:50,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:33:50,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:33:50,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:33:50,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:33:50,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:33:50,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:33:50,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:33:50,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:33:50,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:33:50,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:33:50,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:33:50,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:33:50,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:33:50,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:33:50,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:33:50,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:33:50,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:33:50,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:33:50,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:33:50,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:33:50,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:33:50,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:33:50,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:33:50,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:33:50,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:33:50,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:33:50,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:33:50,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:33:50,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:33:50,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:33:50,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:33:50,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:33:50,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:33:50,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:33:50,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:33:50,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:33:50,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:33:50,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:33:50,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 12:33:50,356 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:33:50,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:33:50,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:33:50,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:33:50,358 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:33:50,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:33:50,358 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:33:50,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:33:50,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:33:50,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:33:50,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:33:50,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:33:50,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:33:50,362 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:33:50,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:33:50,362 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:33:50,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:33:50,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:33:50,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:33:50,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:33:50,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:33:50,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:33:50,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:33:50,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:33:50,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:33:50,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:33:50,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:33:50,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:33:50,366 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:33:50,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:33:50,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:33:50,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:33:50,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:33:50,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:33:50,708 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:33:50,709 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2020-10-13 12:33:50,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7717dd2f/e6f775c97b724cc0bacdaea1d9c6e1b1/FLAGc4725891c [2020-10-13 12:33:51,265 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:33:51,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2020-10-13 12:33:51,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7717dd2f/e6f775c97b724cc0bacdaea1d9c6e1b1/FLAGc4725891c [2020-10-13 12:33:51,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7717dd2f/e6f775c97b724cc0bacdaea1d9c6e1b1 [2020-10-13 12:33:51,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:33:51,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:33:51,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:33:51,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:33:51,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:33:51,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:33:51" (1/1) ... [2020-10-13 12:33:51,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bc1dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:51, skipping insertion in model container [2020-10-13 12:33:51,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:33:51" (1/1) ... [2020-10-13 12:33:51,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:33:51,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:33:52,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:33:52,175 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:33:52,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:33:52,332 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:33:52,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:52 WrapperNode [2020-10-13 12:33:52,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:33:52,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:33:52,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:33:52,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:33:52,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:52" (1/1) ... [2020-10-13 12:33:52,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:52" (1/1) ... [2020-10-13 12:33:52,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:52" (1/1) ... [2020-10-13 12:33:52,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:52" (1/1) ... [2020-10-13 12:33:52,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:52" (1/1) ... [2020-10-13 12:33:52,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:52" (1/1) ... [2020-10-13 12:33:52,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:52" (1/1) ... [2020-10-13 12:33:52,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:33:52,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:33:52,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:33:52,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:33:52,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:33:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:33:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:33:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:33:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:33:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:33:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:33:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:33:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:33:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:33:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:33:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:33:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:33:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:33:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:33:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:33:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:33:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:33:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:33:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:33:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:33:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:33:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:33:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:33:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:33:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:33:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:33:52,494 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:33:52,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:33:52,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:33:52,494 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:33:52,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:33:52,494 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:33:52,495 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:33:52,495 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:33:52,495 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:33:52,495 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:33:52,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:33:52,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:33:52,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:33:52,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:33:52,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:33:52,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:33:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:33:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:33:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:33:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:33:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:33:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:33:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:33:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:33:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:33:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:33:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:33:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:33:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:33:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:33:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:33:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:33:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:33:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:33:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:33:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:33:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:33:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:33:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:33:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:33:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:33:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:33:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:33:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:33:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:33:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:33:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:33:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:33:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:33:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:33:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:33:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:33:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:33:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:33:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:33:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:33:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:33:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:33:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:33:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:33:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:33:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:33:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:33:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:33:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:33:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:33:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:33:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:33:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:33:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:33:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:33:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:33:53,559 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:33:53,559 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:33:53,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:33:53 BoogieIcfgContainer [2020-10-13 12:33:53,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:33:53,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:33:53,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:33:53,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:33:53,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:33:51" (1/3) ... [2020-10-13 12:33:53,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecbf293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:33:53, skipping insertion in model container [2020-10-13 12:33:53,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:52" (2/3) ... [2020-10-13 12:33:53,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecbf293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:33:53, skipping insertion in model container [2020-10-13 12:33:53,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:33:53" (3/3) ... [2020-10-13 12:33:53,574 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2020-10-13 12:33:53,585 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:33:53,593 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:33:53,607 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:33:53,632 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:33:53,632 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:33:53,633 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:33:53,633 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:33:53,634 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:33:53,634 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:33:53,634 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:33:53,634 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:33:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-10-13 12:33:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:33:53,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:53,669 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] [2020-10-13 12:33:53,669 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:53,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:53,676 INFO L82 PathProgramCache]: Analyzing trace with hash 252979836, now seen corresponding path program 1 times [2020-10-13 12:33:53,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:53,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1105150574] [2020-10-13 12:33:53,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:54,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:54,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:55,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:55,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:55,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:58,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:58,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:33:58,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:33:58,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 12:33:58,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:58,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:33:58,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:58,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-13 12:33:59,341 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:59,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:59,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:59,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:59,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:59,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:59,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 12:33:59,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:59,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:59,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:59,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:59,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:59,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:59,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:59,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:59,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:59,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:59,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:59,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:59,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:59,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:59,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:59,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:59,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:59,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:59,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:59,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:59,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:59,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:59,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:59,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:59,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:59,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:59,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:59,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:59,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:59,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:59,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:59,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:59,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:59,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:59,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:59,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:59,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:59,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:59,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:59,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:59,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:59,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:59,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:59,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:33:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:59,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:59,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:59,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:59,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:59,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:59,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:59,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:59,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:33:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:59,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:59,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:59,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:59,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:59,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:59,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:59,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:59,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:59,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:59,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:33:59,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1105150574] [2020-10-13 12:33:59,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:33:59,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:33:59,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117654666] [2020-10-13 12:33:59,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:33:59,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:59,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:33:59,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:33:59,499 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 3 states. [2020-10-13 12:34:00,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:00,849 INFO L93 Difference]: Finished difference Result 332 states and 428 transitions. [2020-10-13 12:34:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:34:00,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:34:00,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:00,868 INFO L225 Difference]: With dead ends: 332 [2020-10-13 12:34:00,868 INFO L226 Difference]: Without dead ends: 179 [2020-10-13 12:34:00,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:34:00,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-13 12:34:00,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 144. [2020-10-13 12:34:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-13 12:34:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-10-13 12:34:00,979 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 46 [2020-10-13 12:34:00,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:00,980 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-10-13 12:34:00,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:34:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-10-13 12:34:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:34:00,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:00,988 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] [2020-10-13 12:34:00,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:34:00,989 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:00,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:00,989 INFO L82 PathProgramCache]: Analyzing trace with hash -810106616, now seen corresponding path program 1 times [2020-10-13 12:34:00,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:00,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549474318] [2020-10-13 12:34:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:01,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:01,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:01,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:02,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:03,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:06,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:06,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:34:06,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:34:06,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 12:34:06,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:34:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:34:06,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:06,362 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:06,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:06,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:06,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:06,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:06,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:06,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 12:34:06,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:06,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:06,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:06,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:06,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:06,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:06,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:06,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:06,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:06,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:06,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:06,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:06,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:06,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:06,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:06,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:06,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:06,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:06,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:06,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:06,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:06,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:06,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:06,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:06,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:06,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:06,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:06,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:06,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:06,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:06,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:06,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:06,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:06,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:06,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:06,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:06,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:06,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:06,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:06,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:06,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:06,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:06,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:34:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:06,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:06,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:06,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:06,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:06,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:06,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:06,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:06,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:06,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:06,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:06,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:34:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:06,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:06,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:06,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:06,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:06,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:34:06,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:06,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:06,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:06,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:34:06,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549474318] [2020-10-13 12:34:06,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:34:06,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:34:06,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524109975] [2020-10-13 12:34:06,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:34:06,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:06,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:34:06,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:34:06,503 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 4 states. [2020-10-13 12:34:07,022 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:07,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:07,987 INFO L93 Difference]: Finished difference Result 261 states and 315 transitions. [2020-10-13 12:34:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:34:07,988 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:34:07,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:07,990 INFO L225 Difference]: With dead ends: 261 [2020-10-13 12:34:07,991 INFO L226 Difference]: Without dead ends: 163 [2020-10-13 12:34:07,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:34:07,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-13 12:34:08,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 135. [2020-10-13 12:34:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-13 12:34:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2020-10-13 12:34:08,037 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 47 [2020-10-13 12:34:08,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:08,037 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2020-10-13 12:34:08,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:34:08,037 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2020-10-13 12:34:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:34:08,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:08,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:34:08,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:34:08,040 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:08,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:08,040 INFO L82 PathProgramCache]: Analyzing trace with hash 2111665897, now seen corresponding path program 1 times [2020-10-13 12:34:08,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:08,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333749227] [2020-10-13 12:34:08,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:08,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:08,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:09,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:09,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:12,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:12,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 12:34:12,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:34:12,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4743 [2020-10-13 12:34:12,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:12,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:12,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 12:34:12,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:34:12,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:13,145 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:13,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:13,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:13,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:13,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:13,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:13,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 12:34:13,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:13,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:13,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:13,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:13,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:13,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:13,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:13,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:13,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:13,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:13,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:13,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:13,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:13,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:13,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:13,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:13,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:13,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:13,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:13,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:13,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:13,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:13,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:13,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:13,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:13,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:34:13,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:13,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:13,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:13,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:13,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:13,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:13,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:13,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:13,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:13,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:13,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:13,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:13,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:13,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:13,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:34:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:13,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:13,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:13,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:13,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:13,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:13,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:13,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:13,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:34:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:13,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:13,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:13,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:13,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:13,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:34:13,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:13,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:13,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:34:13,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333749227] [2020-10-13 12:34:13,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:34:13,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:34:13,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522496397] [2020-10-13 12:34:13,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:34:13,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:13,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:34:13,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:34:13,304 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand 7 states. [2020-10-13 12:34:13,701 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:34:14,534 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:34:14,798 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:15,074 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:15,752 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:16,016 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:16,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:16,667 INFO L93 Difference]: Finished difference Result 338 states and 422 transitions. [2020-10-13 12:34:16,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:34:16,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-13 12:34:16,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:16,671 INFO L225 Difference]: With dead ends: 338 [2020-10-13 12:34:16,671 INFO L226 Difference]: Without dead ends: 227 [2020-10-13 12:34:16,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:34:16,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-13 12:34:16,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 206. [2020-10-13 12:34:16,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-13 12:34:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 246 transitions. [2020-10-13 12:34:16,732 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 246 transitions. Word has length 52 [2020-10-13 12:34:16,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:16,733 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 246 transitions. [2020-10-13 12:34:16,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:34:16,733 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 246 transitions. [2020-10-13 12:34:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-13 12:34:16,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:16,736 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:34:16,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:34:16,736 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:16,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:16,737 INFO L82 PathProgramCache]: Analyzing trace with hash -419654747, now seen corresponding path program 1 times [2020-10-13 12:34:16,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:16,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312007376] [2020-10-13 12:34:16,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:16,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:16,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:17,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:21,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:21,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 12:34:21,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:34:21,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 12:34:21,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:21,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:21,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-13 12:34:21,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:34:21,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:22,040 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:22,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:22,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 12:34:22,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:22,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:22,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:22,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:22,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:22,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:22,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:22,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:22,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:22,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:22,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:22,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:22,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:22,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:22,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:22,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:22,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:22,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:22,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:34:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:34:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 12:34:22,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:34:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:34:22,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:22,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:34:22,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 12:34:22,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:34:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:34:22,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:22,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:34:22,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 12:34:22,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:22,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:22,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:34:22,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:22,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:34:22,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:22,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:22,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:22,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:34:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:34:22,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:34:22,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:34:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:22,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:34:22,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:22,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:22,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:22,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:22,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:22,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:22,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:22,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:22,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:22,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 12:34:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:22,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:22,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:22,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:22,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:34:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:22,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:22,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:22,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:22,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:22,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:22,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:22,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:34:22,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312007376] [2020-10-13 12:34:22,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:34:22,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:34:22,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203162524] [2020-10-13 12:34:22,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:34:22,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:22,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:34:22,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:34:22,510 INFO L87 Difference]: Start difference. First operand 206 states and 246 transitions. Second operand 8 states. [2020-10-13 12:34:23,511 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:23,760 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:34:24,024 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:24,279 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:34:25,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:25,153 INFO L93 Difference]: Finished difference Result 431 states and 554 transitions. [2020-10-13 12:34:25,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:34:25,155 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-10-13 12:34:25,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:25,160 INFO L225 Difference]: With dead ends: 431 [2020-10-13 12:34:25,160 INFO L226 Difference]: Without dead ends: 249 [2020-10-13 12:34:25,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:34:25,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-13 12:34:25,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 211. [2020-10-13 12:34:25,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-13 12:34:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 251 transitions. [2020-10-13 12:34:25,218 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 251 transitions. Word has length 95 [2020-10-13 12:34:25,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:25,219 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 251 transitions. [2020-10-13 12:34:25,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:34:25,219 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 251 transitions. [2020-10-13 12:34:25,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-13 12:34:25,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:25,221 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:34:25,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:34:25,221 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:25,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:25,222 INFO L82 PathProgramCache]: Analyzing trace with hash 473831591, now seen corresponding path program 1 times [2020-10-13 12:34:25,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:25,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105003036] [2020-10-13 12:34:25,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:25,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:25,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:25,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 12:34:30,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:34:30,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 12:34:30,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 12:34:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:30,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,484 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:30,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:30,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:34:30,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:30,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:30,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:30,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:30,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:30,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:30,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:30,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:30,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:30,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:30,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:30,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:30,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:30,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:30,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:30,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:30,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:30,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:30,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:30,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:30,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:30,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:34:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:34:30,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 12:34:30,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:34:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:30,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:34:30,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:34:30,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:34:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:34:30,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:34:30,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:34:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:30,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:34:30,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:34:30,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:34:30,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:30,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:30,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:34:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:34:30,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:30,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:30,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:34:30,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:30,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:34:30,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:30,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:30,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:30,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:30,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:30,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:30,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:30,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:30,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:30,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:30,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:30,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:30,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 12:34:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:30,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:30,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:30,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:34:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:30,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:30,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:30,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:30,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:30,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:30,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:30,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:34:30,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105003036] [2020-10-13 12:34:30,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:34:30,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:34:30,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918462565] [2020-10-13 12:34:30,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:34:30,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:30,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:34:30,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:34:30,698 INFO L87 Difference]: Start difference. First operand 211 states and 251 transitions. Second operand 7 states. [2020-10-13 12:34:31,521 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:31,787 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:32,011 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:32,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:32,742 INFO L93 Difference]: Finished difference Result 438 states and 561 transitions. [2020-10-13 12:34:32,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:34:32,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2020-10-13 12:34:32,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:32,746 INFO L225 Difference]: With dead ends: 438 [2020-10-13 12:34:32,746 INFO L226 Difference]: Without dead ends: 251 [2020-10-13 12:34:32,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:34:32,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-13 12:34:32,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 215. [2020-10-13 12:34:32,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-13 12:34:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 255 transitions. [2020-10-13 12:34:32,786 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 255 transitions. Word has length 95 [2020-10-13 12:34:32,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:32,787 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 255 transitions. [2020-10-13 12:34:32,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:34:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 255 transitions. [2020-10-13 12:34:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-13 12:34:32,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:32,788 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:34:32,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:34:32,789 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:32,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:32,789 INFO L82 PathProgramCache]: Analyzing trace with hash 466072232, now seen corresponding path program 1 times [2020-10-13 12:34:32,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:32,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726670136] [2020-10-13 12:34:32,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:32,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:33,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:33,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 12:34:37,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:34:37,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4379 [2020-10-13 12:34:37,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:34:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 12:34:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 12:34:37,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:37,515 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:37,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:37,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 12:34:37,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:37,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:37,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:37,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:37,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:37,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:37,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:37,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:37,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:37,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:37,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:37,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:37,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:37,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:37,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:37,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:37,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:37,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:37,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:37,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:37,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:37,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:37,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:34:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:34:37,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 12:34:37,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:34:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 12:34:37,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:37,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:34:37,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 12:34:37,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:34:37,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 12:34:37,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:37,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:34:37,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:37,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:37,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:37,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:37,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:34:37,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:37,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:37,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:37,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:37,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:34:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:34:37,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 12:34:37,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:34:37,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:34:37,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:37,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:34:37,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:34:37,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:34:37,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:37,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:37,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:37,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:34:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:34:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:37,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:37,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:37,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:37,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:37,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:37,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 12:34:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:37,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:34:37,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:37,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:37,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:34:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:37,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:37,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:37,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:37,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:37,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:37,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:37,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:37,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:37,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:34:37,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726670136] [2020-10-13 12:34:37,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:34:37,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 12:34:37,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683871347] [2020-10-13 12:34:37,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 12:34:37,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:37,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 12:34:37,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:34:37,904 INFO L87 Difference]: Start difference. First operand 215 states and 255 transitions. Second operand 12 states. [2020-10-13 12:34:38,350 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:39,217 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:34:39,524 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:34:39,804 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:34:40,041 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:34:40,412 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:41,362 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:34:41,628 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:34:41,907 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:34:42,160 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:34:43,409 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:34:43,649 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:43,910 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:44,159 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:44,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:44,454 INFO L93 Difference]: Finished difference Result 630 states and 822 transitions. [2020-10-13 12:34:44,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 12:34:44,455 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-13 12:34:44,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:44,459 INFO L225 Difference]: With dead ends: 630 [2020-10-13 12:34:44,459 INFO L226 Difference]: Without dead ends: 439 [2020-10-13 12:34:44,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=129, Invalid=627, Unknown=0, NotChecked=0, Total=756 [2020-10-13 12:34:44,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-10-13 12:34:44,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 376. [2020-10-13 12:34:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 12:34:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 456 transitions. [2020-10-13 12:34:44,533 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 456 transitions. Word has length 95 [2020-10-13 12:34:44,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:44,534 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 456 transitions. [2020-10-13 12:34:44,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 12:34:44,534 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 456 transitions. [2020-10-13 12:34:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 12:34:44,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:44,537 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-13 12:34:44,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:34:44,538 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:44,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:44,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1089748447, now seen corresponding path program 1 times [2020-10-13 12:34:44,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:44,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704830772] [2020-10-13 12:34:44,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:44,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:44,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:44,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:45,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:46,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:48,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:48,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 12:34:48,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:34:48,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4211 [2020-10-13 12:34:48,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:34:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 12:34:48,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:49,058 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:49,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:49,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 12:34:49,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:34:49,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:49,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:49,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:34:49,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:49,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:49,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:34:49,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:49,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:49,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:49,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:49,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:49,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:49,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:34:49,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:34:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:34:49,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 12:34:49,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:49,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:34:49,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 12:34:49,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:34:49,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:34:49,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:34:49,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 12:34:49,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:34:49,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:34:49,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:34:49,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:34:49,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:34:49,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:49,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:34:49,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:34:49,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:34:49,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:49,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:34:49,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:34:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:34:49,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:34:49,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:34:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:34:49,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:34:49,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:49,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:49,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:49,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:49,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:49,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:49,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:34:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:34:49,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:34:49,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:34:49,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:49,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:49,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:49,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:49,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:49,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 12:34:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:49,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:49,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:49,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 12:34:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:49,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:49,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:49,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 12:34:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:49,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:49,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:49,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:49,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 12:34:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:49,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:49,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:49,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:49,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:49,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:49,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:49,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 12:34:49,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704830772] [2020-10-13 12:34:49,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:34:49,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 12:34:49,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233315443] [2020-10-13 12:34:49,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 12:34:49,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:49,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 12:34:49,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:34:49,640 INFO L87 Difference]: Start difference. First operand 376 states and 456 transitions. Second operand 10 states. [2020-10-13 12:34:50,312 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:34:51,096 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-10-13 12:34:53,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:53,939 INFO L93 Difference]: Finished difference Result 1216 states and 1646 transitions. [2020-10-13 12:34:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 12:34:53,939 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 127 [2020-10-13 12:34:53,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:53,952 INFO L225 Difference]: With dead ends: 1216 [2020-10-13 12:34:53,952 INFO L226 Difference]: Without dead ends: 864 [2020-10-13 12:34:53,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=179, Invalid=523, Unknown=0, NotChecked=0, Total=702 [2020-10-13 12:34:53,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2020-10-13 12:34:54,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 723. [2020-10-13 12:34:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-10-13 12:34:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 896 transitions. [2020-10-13 12:34:54,166 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 896 transitions. Word has length 127 [2020-10-13 12:34:54,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:54,169 INFO L479 AbstractCegarLoop]: Abstraction has 723 states and 896 transitions. [2020-10-13 12:34:54,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 12:34:54,169 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 896 transitions. [2020-10-13 12:34:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-13 12:34:54,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:54,177 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:34:54,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:34:54,177 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:54,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:54,178 INFO L82 PathProgramCache]: Analyzing trace with hash 697133003, now seen corresponding path program 1 times [2020-10-13 12:34:54,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:54,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332361204] [2020-10-13 12:34:54,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:54,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:54,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:54,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:54,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:54,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 12:34:59,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:34:59,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 12:34:59,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:34:59,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-13 12:34:59,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 12:34:59,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,483 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:59,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:59,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 12:34:59,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:59,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:59,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:59,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:59,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:59,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:59,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:34:59,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:59,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:59,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:59,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:59,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:34:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:59,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:59,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:59,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 12:34:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:59,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:59,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:34:59,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 12:34:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:34:59,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:34:59,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-13 12:34:59,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 12:34:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 12:34:59,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:34:59,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:34:59,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:34:59,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:34:59,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:34:59,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:59,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:34:59,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:59,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:34:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:34:59,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:34:59,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:34:59,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:59,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:59,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:59,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:59,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:59,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:34:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:34:59,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:34:59,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 12:34:59,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:59,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:59,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:34:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:34:59,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 12:34:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:59,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:59,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:59,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 12:34:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:59,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:59,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 12:34:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:59,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:59,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:59,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 12:34:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:59,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:59,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:59,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:59,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:59,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 12:34:59,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332361204] [2020-10-13 12:34:59,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:34:59,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 12:34:59,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163906710] [2020-10-13 12:34:59,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 12:34:59,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:59,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 12:34:59,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:34:59,927 INFO L87 Difference]: Start difference. First operand 723 states and 896 transitions. Second operand 12 states. [2020-10-13 12:35:00,345 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:35:01,034 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:35:01,438 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:35:01,735 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:35:01,998 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:35:02,261 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:35:02,560 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:35:02,833 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:35:05,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:35:05,352 INFO L93 Difference]: Finished difference Result 1583 states and 2060 transitions. [2020-10-13 12:35:05,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-13 12:35:05,352 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 135 [2020-10-13 12:35:05,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:35:05,361 INFO L225 Difference]: With dead ends: 1583 [2020-10-13 12:35:05,361 INFO L226 Difference]: Without dead ends: 864 [2020-10-13 12:35:05,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=231, Invalid=761, Unknown=0, NotChecked=0, Total=992 [2020-10-13 12:35:05,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2020-10-13 12:35:05,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 723. [2020-10-13 12:35:05,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-10-13 12:35:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 866 transitions. [2020-10-13 12:35:05,549 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 866 transitions. Word has length 135 [2020-10-13 12:35:05,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:35:05,550 INFO L479 AbstractCegarLoop]: Abstraction has 723 states and 866 transitions. [2020-10-13 12:35:05,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 12:35:05,551 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 866 transitions. [2020-10-13 12:35:05,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-13 12:35:05,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:35:05,558 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-13 12:35:05,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:35:05,558 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:35:05,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:35:05,559 INFO L82 PathProgramCache]: Analyzing trace with hash 485120263, now seen corresponding path program 1 times [2020-10-13 12:35:05,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:35:05,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034899759] [2020-10-13 12:35:05,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:35:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:05,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:05,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-13 12:35:06,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:35:06,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-10-13 12:35:06,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:06,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 12:35:06,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-13 12:35:06,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,255 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:35:06,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:35:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:35:06,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:35:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:06,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:06,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:35:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:06,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:06,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:06,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:35:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:06,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:06,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:35:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:06,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:35:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:35:06,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:35:06,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:06,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:35:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:35:06,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:35:06,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:06,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 12:35:06,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:35:06,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:35:06,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:35:06,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:06,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:35:06,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:06,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:35:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:35:06,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:06,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:35:06,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:06,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:06,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:06,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:35:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:35:06,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:06,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:06,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:35:06,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:06,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 12:35:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:06,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:35:06,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:06,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 12:35:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:06,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:35:06,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 12:35:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:06,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:06,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 12:35:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:06,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 12:35:06,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034899759] [2020-10-13 12:35:06,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:35:06,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 12:35:06,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091209794] [2020-10-13 12:35:06,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:35:06,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:35:06,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:35:06,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:35:06,528 INFO L87 Difference]: Start difference. First operand 723 states and 866 transitions. Second operand 8 states. [2020-10-13 12:35:06,871 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:35:08,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:35:08,390 INFO L93 Difference]: Finished difference Result 1563 states and 1976 transitions. [2020-10-13 12:35:08,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 12:35:08,391 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 131 [2020-10-13 12:35:08,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:35:08,401 INFO L225 Difference]: With dead ends: 1563 [2020-10-13 12:35:08,401 INFO L226 Difference]: Without dead ends: 864 [2020-10-13 12:35:08,405 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:35:08,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2020-10-13 12:35:08,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 723. [2020-10-13 12:35:08,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-10-13 12:35:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 854 transitions. [2020-10-13 12:35:08,615 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 854 transitions. Word has length 131 [2020-10-13 12:35:08,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:35:08,619 INFO L479 AbstractCegarLoop]: Abstraction has 723 states and 854 transitions. [2020-10-13 12:35:08,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:35:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 854 transitions. [2020-10-13 12:35:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-13 12:35:08,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:35:08,623 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2020-10-13 12:35:08,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:35:08,623 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:35:08,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:35:08,623 INFO L82 PathProgramCache]: Analyzing trace with hash 2006054760, now seen corresponding path program 1 times [2020-10-13 12:35:08,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:35:08,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [830869538] [2020-10-13 12:35:08,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:35:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:08,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:08,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:10,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:10,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-13 12:35:10,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:35:10,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2025 [2020-10-13 12:35:10,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:10,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:35:10,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 12:35:10,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 12:35:10,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:10,982 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:35:10,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:35:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:10,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:35:11,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:35:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:11,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:35:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:11,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:35:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:11,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:35:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:11,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:35:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:35:11,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:35:11,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:35:11,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:35:11,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:35:11,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:35:11,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:35:11,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:35:11,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:35:11,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:35:11,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:35:11,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:35:11,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:35:11,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:11,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:35:11,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:35:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:35:11,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:35:11,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:35:11,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:11,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:35:11,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:11,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:35:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:35:11,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:35:11,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:35:11,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:11,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:11,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 12:35:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:11,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:35:11,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 12:35:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:35:11,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:35:11,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:35:11,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:35:11,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 12:35:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:35:11,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:35:11,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:35:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:35:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:35:11,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:35:11,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:35:11,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:35:11,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 12:35:11,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:35:11,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:35:11,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:35:11,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:35:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:35:11,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:11,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:35:11,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:11,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 12:35:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:11,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:11,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 12:35:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:11,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-13 12:35:11,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [830869538] [2020-10-13 12:35:11,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:35:11,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 12:35:11,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535201671] [2020-10-13 12:35:11,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 12:35:11,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:35:11,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 12:35:11,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:35:11,444 INFO L87 Difference]: Start difference. First operand 723 states and 854 transitions. Second operand 14 states. [2020-10-13 12:35:11,896 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:35:12,543 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:35:14,444 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-10-13 12:35:14,926 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-10-13 12:35:15,454 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-13 12:35:16,350 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:35:16,618 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:35:16,872 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:35:17,121 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:35:18,675 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:35:19,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:35:19,807 INFO L93 Difference]: Finished difference Result 2313 states and 3221 transitions. [2020-10-13 12:35:19,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-13 12:35:19,808 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2020-10-13 12:35:19,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:35:19,822 INFO L225 Difference]: With dead ends: 2313 [2020-10-13 12:35:19,823 INFO L226 Difference]: Without dead ends: 1746 [2020-10-13 12:35:19,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 68 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 719 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=505, Invalid=1945, Unknown=0, NotChecked=0, Total=2450 [2020-10-13 12:35:19,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2020-10-13 12:35:20,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1329. [2020-10-13 12:35:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2020-10-13 12:35:20,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1604 transitions. [2020-10-13 12:35:20,087 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1604 transitions. Word has length 157 [2020-10-13 12:35:20,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:35:20,087 INFO L479 AbstractCegarLoop]: Abstraction has 1329 states and 1604 transitions. [2020-10-13 12:35:20,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 12:35:20,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1604 transitions. [2020-10-13 12:35:20,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-13 12:35:20,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:35:20,092 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2020-10-13 12:35:20,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 12:35:20,092 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:35:20,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:35:20,092 INFO L82 PathProgramCache]: Analyzing trace with hash -2014152922, now seen corresponding path program 1 times [2020-10-13 12:35:20,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:35:20,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27539313] [2020-10-13 12:35:20,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:35:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-13 12:35:20,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-13 12:35:20,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:35:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-13 12:35:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:35:20,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,686 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:35:20,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:35:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:20,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:35:20,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:35:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:20,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:20,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:35:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:20,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:20,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:20,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:20,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:35:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:20,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:20,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:35:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:20,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:20,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:35:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:35:20,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:35:20,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:35:20,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:35:20,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:20,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:35:20,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:35:20,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:35:20,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:20,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:35:20,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:20,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:35:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:35:20,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:20,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:35:20,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:20,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:20,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:35:20,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:20,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:20,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:35:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:35:20,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:20,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:20,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:20,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 12:35:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:20,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:20,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 12:35:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:20,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:20,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 12:35:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:35:20,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:35:20,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:35:20,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 12:35:20,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:35:20,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:35:20,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:35:20,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:35:20,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:35:20,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:20,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:20,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:20,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:35:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:35:20,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:20,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:20,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:35:20,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:20,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:20,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:20,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:20,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:20,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:20,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:20,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:20,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:20,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 12:35:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:21,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:21,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 12:35:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:21,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:21,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-13 12:35:21,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27539313] [2020-10-13 12:35:21,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:35:21,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 12:35:21,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616848252] [2020-10-13 12:35:21,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 12:35:21,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:35:21,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 12:35:21,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:35:21,038 INFO L87 Difference]: Start difference. First operand 1329 states and 1604 transitions. Second operand 11 states. [2020-10-13 12:35:22,679 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:35:22,921 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:35:23,195 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:35:23,427 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:35:23,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:35:23,765 INFO L93 Difference]: Finished difference Result 1858 states and 2296 transitions. [2020-10-13 12:35:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 12:35:23,766 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 157 [2020-10-13 12:35:23,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:35:23,767 INFO L225 Difference]: With dead ends: 1858 [2020-10-13 12:35:23,767 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:35:23,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-10-13 12:35:23,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:35:23,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:35:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:35:23,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:35:23,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-10-13 12:35:23,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:35:23,776 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:35:23,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 12:35:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:35:23,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:35:23,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 12:35:23,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:35:26,409 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 309 DAG size of output: 271 [2020-10-13 12:35:27,304 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 268 [2020-10-13 12:35:28,487 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 268 [2020-10-13 12:35:28,968 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 271 [2020-10-13 12:35:30,730 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 271 [2020-10-13 12:35:32,518 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 20 [2020-10-13 12:35:32,685 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-10-13 12:35:32,837 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-13 12:35:33,028 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 26 [2020-10-13 12:35:33,192 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-13 12:35:33,359 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-13 12:35:34,303 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-10-13 12:35:35,056 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-10-13 12:35:36,233 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 217 DAG size of output: 38 [2020-10-13 12:35:36,752 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 22 [2020-10-13 12:35:37,891 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 214 DAG size of output: 37 [2020-10-13 12:35:38,322 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 28 [2020-10-13 12:35:38,495 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-13 12:35:38,687 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 26 [2020-10-13 12:35:39,611 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 33 [2020-10-13 12:35:40,794 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 214 DAG size of output: 37 [2020-10-13 12:35:42,048 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 216 DAG size of output: 37 [2020-10-13 12:35:43,143 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 161 DAG size of output: 28 [2020-10-13 12:35:43,343 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-10-13 12:35:43,549 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:35:44,706 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 166 DAG size of output: 32 [2020-10-13 12:35:44,891 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-10-13 12:35:45,703 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 30 [2020-10-13 12:35:46,532 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-10-13 12:35:47,464 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-10-13 12:35:47,629 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-10-13 12:35:48,127 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2020-10-13 12:35:48,696 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 27 [2020-10-13 12:35:49,977 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 217 DAG size of output: 38 [2020-10-13 12:35:51,169 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-10-13 12:35:51,927 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 20 [2020-10-13 12:35:52,782 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-10-13 12:35:52,975 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 26 [2020-10-13 12:35:53,166 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 26 [2020-10-13 12:35:53,377 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-10-13 12:35:53,569 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 26 [2020-10-13 12:35:54,179 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 30 [2020-10-13 12:35:54,820 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 33 [2020-10-13 12:35:55,307 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 18 [2020-10-13 12:35:55,457 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-13 12:35:55,649 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 26 [2020-10-13 12:35:56,702 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 177 DAG size of output: 38 [2020-10-13 12:35:56,856 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-13 12:35:57,343 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-10-13 12:35:57,507 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-10-13 12:35:57,665 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-13 12:35:57,859 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 26 [2020-10-13 12:35:58,051 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 26 [2020-10-13 12:35:58,569 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2020-10-13 12:35:58,573 INFO L268 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-10-13 12:35:58,573 INFO L268 CegarLoopResult]: For program point L701-1(lines 701 705) no Hoare annotation was computed. [2020-10-13 12:35:58,573 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-10-13 12:35:58,573 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 716) no Hoare annotation was computed. [2020-10-13 12:35:58,573 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 670 725) no Hoare annotation was computed. [2020-10-13 12:35:58,573 INFO L268 CegarLoopResult]: For program point L717(lines 694 718) no Hoare annotation was computed. [2020-10-13 12:35:58,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 670 725) no Hoare annotation was computed. [2020-10-13 12:35:58,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 670 725) no Hoare annotation was computed. [2020-10-13 12:35:58,574 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-10-13 12:35:58,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 726 785) no Hoare annotation was computed. [2020-10-13 12:35:58,574 INFO L268 CegarLoopResult]: For program point L758-1(lines 758 762) no Hoare annotation was computed. [2020-10-13 12:35:58,575 INFO L268 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-10-13 12:35:58,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 726 785) no Hoare annotation was computed. [2020-10-13 12:35:58,575 INFO L268 CegarLoopResult]: For program point L752-2(lines 752 777) no Hoare annotation was computed. [2020-10-13 12:35:58,575 INFO L268 CegarLoopResult]: For program point L778(lines 751 779) no Hoare annotation was computed. [2020-10-13 12:35:58,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 726 785) no Hoare annotation was computed. [2020-10-13 12:35:58,575 INFO L268 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-10-13 12:35:58,575 INFO L268 CegarLoopResult]: For program point L771-1(line 771) no Hoare annotation was computed. [2020-10-13 12:35:58,576 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2020-10-13 12:35:58,576 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2020-10-13 12:35:58,576 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2020-10-13 12:35:58,576 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2020-10-13 12:35:58,576 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2020-10-13 12:35:58,576 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:35:58,577 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:35:58,577 INFO L264 CegarLoopResult]: At program point L250-1(line 250) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:35:58,577 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2020-10-13 12:35:58,577 INFO L268 CegarLoopResult]: For program point L248(lines 248 255) no Hoare annotation was computed. [2020-10-13 12:35:58,577 INFO L268 CegarLoopResult]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2020-10-13 12:35:58,577 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-10-13 12:35:58,577 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:35:58,578 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:35:58,578 INFO L264 CegarLoopResult]: At program point L244-1(line 244) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:35:58,578 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2020-10-13 12:35:58,578 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2020-10-13 12:35:58,578 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2020-10-13 12:35:58,579 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2020-10-13 12:35:58,579 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-10-13 12:35:58,579 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-10-13 12:35:58,579 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-10-13 12:35:58,579 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-10-13 12:35:58,579 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-13 12:35:58,579 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-13 12:35:58,580 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-10-13 12:35:58,580 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-13 12:35:58,580 INFO L268 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-13 12:35:58,580 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 12:35:58,580 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-13 12:35:58,580 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-13 12:35:58,580 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 12:35:58,580 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-13 12:35:58,581 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2020-10-13 12:35:58,581 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2020-10-13 12:35:58,581 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2020-10-13 12:35:58,581 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2020-10-13 12:35:58,581 INFO L268 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-10-13 12:35:58,581 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2020-10-13 12:35:58,581 INFO L271 CegarLoopResult]: At program point L469(line 469) the Hoare annotation is: true [2020-10-13 12:35:58,581 INFO L268 CegarLoopResult]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2020-10-13 12:35:58,582 INFO L268 CegarLoopResult]: For program point L469-1(line 469) no Hoare annotation was computed. [2020-10-13 12:35:58,582 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2020-10-13 12:35:58,582 INFO L268 CegarLoopResult]: For program point L414(lines 414 422) no Hoare annotation was computed. [2020-10-13 12:35:58,582 INFO L268 CegarLoopResult]: For program point L414-2(lines 414 422) no Hoare annotation was computed. [2020-10-13 12:35:58,582 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-13 12:35:58,582 INFO L268 CegarLoopResult]: For program point L437-1(line 437) no Hoare annotation was computed. [2020-10-13 12:35:58,582 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 407 442) no Hoare annotation was computed. [2020-10-13 12:35:58,582 INFO L268 CegarLoopResult]: For program point L426(lines 426 434) no Hoare annotation was computed. [2020-10-13 12:35:58,583 INFO L268 CegarLoopResult]: For program point L426-2(lines 426 434) no Hoare annotation was computed. [2020-10-13 12:35:58,583 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 407 442) no Hoare annotation was computed. [2020-10-13 12:35:58,583 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 407 442) no Hoare annotation was computed. [2020-10-13 12:35:58,583 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2020-10-13 12:35:58,583 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2020-10-13 12:35:58,583 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 624 669) no Hoare annotation was computed. [2020-10-13 12:35:58,583 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 624 669) no Hoare annotation was computed. [2020-10-13 12:35:58,583 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 624 669) no Hoare annotation was computed. [2020-10-13 12:35:58,583 INFO L268 CegarLoopResult]: For program point L957(lines 957 964) no Hoare annotation was computed. [2020-10-13 12:35:58,584 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 937 982) no Hoare annotation was computed. [2020-10-13 12:35:58,584 INFO L268 CegarLoopResult]: For program point L951(lines 951 971) no Hoare annotation was computed. [2020-10-13 12:35:58,584 INFO L268 CegarLoopResult]: For program point L951-1(lines 951 971) no Hoare annotation was computed. [2020-10-13 12:35:58,584 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 937 982) no Hoare annotation was computed. [2020-10-13 12:35:58,584 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 937 982) no Hoare annotation was computed. [2020-10-13 12:35:58,584 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:35:58,584 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2020-10-13 12:35:58,584 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2020-10-13 12:35:58,584 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2020-10-13 12:35:58,584 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2020-10-13 12:35:58,584 INFO L271 CegarLoopResult]: At program point L392(line 392) the Hoare annotation is: true [2020-10-13 12:35:58,584 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-10-13 12:35:58,585 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2020-10-13 12:35:58,585 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (<= 0 ~methaneLevelCritical~0)) .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2020-10-13 12:35:58,585 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2020-10-13 12:35:58,585 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2020-10-13 12:35:58,585 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-10-13 12:35:58,585 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2020-10-13 12:35:58,585 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2020-10-13 12:35:58,585 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2020-10-13 12:35:58,585 INFO L264 CegarLoopResult]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 0 ~methaneLevelCritical~0)) .cse2 .cse1 (not (<= ~methaneLevelCritical~0 0))))) [2020-10-13 12:35:58,585 INFO L268 CegarLoopResult]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2020-10-13 12:35:58,586 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2020-10-13 12:35:58,586 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 (not (<= 0 ~methaneLevelCritical~0)) .cse1 (not (<= ~methaneLevelCritical~0 0))))) [2020-10-13 12:35:58,586 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (<= 0 ~methaneLevelCritical~0)) .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2020-10-13 12:35:58,586 INFO L264 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~2))) (.cse5 (not (<= 1 ~waterLevel~0))) (.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse3 (not (<= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse5 .cse0 .cse1 .cse3))) [2020-10-13 12:35:58,586 INFO L268 CegarLoopResult]: For program point L336(lines 336 344) no Hoare annotation was computed. [2020-10-13 12:35:58,586 INFO L264 CegarLoopResult]: At program point L334(line 334) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 (not (<= 2 ~waterLevel~0)) .cse4) (or .cse6 .cse0 .cse2 .cse5) (or .cse6 .cse0 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse5 .cse4))) [2020-10-13 12:35:58,586 INFO L268 CegarLoopResult]: For program point L334-1(line 334) no Hoare annotation was computed. [2020-10-13 12:35:58,586 INFO L268 CegarLoopResult]: For program point L332(lines 332 349) no Hoare annotation was computed. [2020-10-13 12:35:58,586 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2020-10-13 12:35:58,586 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2020-10-13 12:35:58,586 INFO L264 CegarLoopResult]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:35:58,587 INFO L264 CegarLoopResult]: At program point L574(lines 525 575) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:35:58,587 INFO L268 CegarLoopResult]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2020-10-13 12:35:58,587 INFO L268 CegarLoopResult]: For program point L564(lines 564 568) no Hoare annotation was computed. [2020-10-13 12:35:58,587 INFO L264 CegarLoopResult]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse7 (<= 2 ~waterLevel~0))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (= |old(~systemActive~0)| 0) (and .cse5 .cse1 .cse6 .cse2 .cse3 .cse4) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse5 .cse1 .cse6 .cse2 .cse7) (and .cse0 .cse1 .cse2 .cse7))) [2020-10-13 12:35:58,587 INFO L268 CegarLoopResult]: For program point L527(lines 526 573) no Hoare annotation was computed. [2020-10-13 12:35:58,587 INFO L264 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse7 (<= 2 ~waterLevel~0))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (= |old(~systemActive~0)| 0) (and .cse5 .cse1 .cse6 .cse2 .cse3 .cse4) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse5 .cse1 .cse6 .cse2 .cse7) (and .cse0 .cse1 .cse2 .cse7))) [2020-10-13 12:35:58,587 INFO L268 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2020-10-13 12:35:58,587 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (= |old(~systemActive~0)| 0) (and .cse4 .cse0 .cse5 .cse1 .cse2 .cse3) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse5 .cse1 (<= 2 ~waterLevel~0)))) [2020-10-13 12:35:58,587 INFO L268 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2020-10-13 12:35:58,587 INFO L268 CegarLoopResult]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2020-10-13 12:35:58,588 INFO L264 CegarLoopResult]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (= |old(~systemActive~0)| 0) (and .cse4 .cse0 .cse5 .cse1 .cse2 .cse3) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse5 .cse1 (<= 2 ~waterLevel~0)))) [2020-10-13 12:35:58,588 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (= |old(~systemActive~0)| 0) (and .cse4 .cse0 .cse5 .cse1 .cse2 .cse3) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse5 .cse1 (<= 2 ~waterLevel~0)))) [2020-10-13 12:35:58,588 INFO L268 CegarLoopResult]: For program point L536(lines 536 542) no Hoare annotation was computed. [2020-10-13 12:35:58,588 INFO L268 CegarLoopResult]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2020-10-13 12:35:58,588 INFO L268 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-10-13 12:35:58,588 INFO L268 CegarLoopResult]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2020-10-13 12:35:58,588 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 891 936) no Hoare annotation was computed. [2020-10-13 12:35:58,588 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 891 936) no Hoare annotation was computed. [2020-10-13 12:35:58,588 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 891 936) no Hoare annotation was computed. [2020-10-13 12:35:58,588 INFO L268 CegarLoopResult]: For program point L911(lines 911 918) no Hoare annotation was computed. [2020-10-13 12:35:58,588 INFO L268 CegarLoopResult]: For program point L905(lines 905 925) no Hoare annotation was computed. [2020-10-13 12:35:58,588 INFO L268 CegarLoopResult]: For program point L905-1(lines 905 925) no Hoare annotation was computed. [2020-10-13 12:35:58,588 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 0 ~methaneLevelCritical~0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0)) (not (<= ~methaneLevelCritical~0 0))) [2020-10-13 12:35:58,588 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2020-10-13 12:35:58,589 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2020-10-13 12:35:58,589 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2020-10-13 12:35:58,589 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2020-10-13 12:35:58,589 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2020-10-13 12:35:58,589 INFO L268 CegarLoopResult]: For program point L112(lines 112 120) no Hoare annotation was computed. [2020-10-13 12:35:58,589 INFO L268 CegarLoopResult]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2020-10-13 12:35:58,589 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2020-10-13 12:35:58,589 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2020-10-13 12:35:58,589 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2020-10-13 12:35:58,590 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 584 593) no Hoare annotation was computed. [2020-10-13 12:35:58,590 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 584 593) no Hoare annotation was computed. [2020-10-13 12:35:58,590 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 584 593) no Hoare annotation was computed. [2020-10-13 12:35:58,590 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 788 890) no Hoare annotation was computed. [2020-10-13 12:35:58,590 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-10-13 12:35:58,590 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-10-13 12:35:58,590 INFO L268 CegarLoopResult]: For program point L812(lines 812 816) no Hoare annotation was computed. [2020-10-13 12:35:58,590 INFO L268 CegarLoopResult]: For program point L876(lines 876 887) no Hoare annotation was computed. [2020-10-13 12:35:58,590 INFO L268 CegarLoopResult]: For program point L839(lines 839 843) no Hoare annotation was computed. [2020-10-13 12:35:58,590 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 788 890) no Hoare annotation was computed. [2020-10-13 12:35:58,591 INFO L268 CegarLoopResult]: For program point L837-2(lines 837 857) no Hoare annotation was computed. [2020-10-13 12:35:58,591 INFO L268 CegarLoopResult]: For program point L858(lines 836 859) no Hoare annotation was computed. [2020-10-13 12:35:58,591 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 788 890) no Hoare annotation was computed. [2020-10-13 12:35:58,591 INFO L268 CegarLoopResult]: For program point L817(lines 817 833) no Hoare annotation was computed. [2020-10-13 12:35:58,591 INFO L268 CegarLoopResult]: For program point L877(lines 877 884) no Hoare annotation was computed. [2020-10-13 12:35:58,591 INFO L268 CegarLoopResult]: For program point L838(lines 837 857) no Hoare annotation was computed. [2020-10-13 12:35:58,591 INFO L268 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-10-13 12:35:58,591 INFO L268 CegarLoopResult]: For program point L869-1(line 869) no Hoare annotation was computed. [2020-10-13 12:35:58,591 INFO L268 CegarLoopResult]: For program point L834(lines 834 875) no Hoare annotation was computed. [2020-10-13 12:35:58,591 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:35:58,592 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#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~string30.offset| |old(#t~string30.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~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~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.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~string18.offset| |old(#t~string18.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~string7.offset| |old(#t~string7.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#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)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-13 12:35:58,592 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:35:58,592 INFO L268 CegarLoopResult]: For program point L369(lines 369 375) no Hoare annotation was computed. [2020-10-13 12:35:58,592 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 (not (<= ~methaneLevelCritical~0 0))))) [2020-10-13 12:35:58,592 INFO L268 CegarLoopResult]: For program point L367-1(line 367) no Hoare annotation was computed. [2020-10-13 12:35:58,592 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2020-10-13 12:35:58,593 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 362 378) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 (not (<= ~methaneLevelCritical~0 0))))) [2020-10-13 12:35:58,593 INFO L264 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (and (<= activatePump_~tmp~3 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 activatePump_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2020-10-13 12:35:58,593 INFO L268 CegarLoopResult]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2020-10-13 12:35:58,593 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 127 135) no Hoare annotation was computed. [2020-10-13 12:35:58,593 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2020-10-13 12:35:58,593 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2020-10-13 12:35:58,593 INFO L268 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-10-13 12:35:58,593 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2020-10-13 12:35:58,594 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2020-10-13 12:35:58,594 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2020-10-13 12:35:58,594 INFO L268 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-10-13 12:35:58,594 INFO L271 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: true [2020-10-13 12:35:58,594 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2020-10-13 12:35:58,594 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse0 (not (<= 0 |old(~methaneLevelCritical~0)|))) (.cse1 (not (<= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse4 .cse5 .cse2 (not (= |old(~methaneLevelCritical~0)| 1)) .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse2 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))))) [2020-10-13 12:35:58,594 INFO L268 CegarLoopResult]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2020-10-13 12:35:58,594 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2020-10-13 12:35:58,594 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:35:58,595 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:35:58,595 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:35:58,595 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2020-10-13 12:35:58,595 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2020-10-13 12:35:58,595 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2020-10-13 12:35:58,595 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= ~methaneLevelCritical~0 0))) (.cse0 (and .cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse9)) (.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= 0 ~systemActive~0)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3 .cse7 .cse4) (or .cse0 .cse1 .cse8 .cse3) (or .cse5 .cse6 .cse8 .cse3 .cse7)))) [2020-10-13 12:35:58,595 INFO L264 CegarLoopResult]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (<= 2 |old(~waterLevel~0)|)) (.cse11 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse8 (and (= ~pumpRunning~0 0) .cse11)) (.cse9 (not .cse6)) (.cse2 (not (<= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~methaneLevelCritical~0 0))) (.cse0 (and .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6) .cse7) (or .cse8 .cse9 .cse10 .cse3) (or .cse8 .cse9 .cse2 .cse3 (and (<= 2 ~waterLevel~0) .cse11) .cse7) (or .cse0 .cse1 .cse10 .cse3 .cse4)))) [2020-10-13 12:35:58,596 INFO L264 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (let ((.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2 .cse4) (or .cse0 .cse7 .cse2 .cse3) (or .cse5 .cse6 .cse7 .cse2))) [2020-10-13 12:35:58,596 INFO L268 CegarLoopResult]: For program point L274(lines 273 292) no Hoare annotation was computed. [2020-10-13 12:35:58,596 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse2 (not (<= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse1 .cse7 .cse3 .cse4))) [2020-10-13 12:35:58,596 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2020-10-13 12:35:58,596 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2020-10-13 12:35:58,596 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2020-10-13 12:35:58,596 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2020-10-13 12:35:58,596 INFO L271 CegarLoopResult]: At program point L187(lines 162 191) the Hoare annotation is: true [2020-10-13 12:35:58,596 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-13 12:35:58,597 INFO L268 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2020-10-13 12:35:58,597 INFO L271 CegarLoopResult]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2020-10-13 12:35:58,597 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-13 12:35:58,597 INFO L271 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2020-10-13 12:35:58,597 INFO L271 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: true [2020-10-13 12:35:58,597 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-10-13 12:35:58,597 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2) (or .cse0 .cse1 (not (<= 0 ~methaneLevelCritical~0)) .cse2 (not (<= ~methaneLevelCritical~0 0))))) [2020-10-13 12:35:58,597 INFO L268 CegarLoopResult]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2020-10-13 12:35:58,597 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2020-10-13 12:35:58,598 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2020-10-13 12:35:58,598 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2020-10-13 12:35:58,598 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:35:58,598 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-13 12:35:58,598 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:35:58,598 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:35:58,598 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2020-10-13 12:35:58,598 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse6 (not (<= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 .cse1 .cse6 .cse5 .cse7) (or .cse0 .cse1 .cse3 .cse4 .cse6 .cse7))) [2020-10-13 12:35:58,598 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2020-10-13 12:35:58,599 INFO L264 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) (not (<= 1 ~waterLevel~0)) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2020-10-13 12:35:58,599 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 (not (<= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2020-10-13 12:35:58,599 INFO L268 CegarLoopResult]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2020-10-13 12:35:58,599 INFO L264 CegarLoopResult]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (< 0 (+ processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= processEnvironment__wrappee__highWaterSensor_~tmp~1 0)))) (and (or .cse0 (not (<= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 (not (<= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2020-10-13 12:35:58,599 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2020-10-13 12:35:58,599 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse4 (<= 2 ~waterLevel~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 ~waterLevel~0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0))) (or (not (= ~waterLevel~0 1)) .cse3 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2 (not .cse4))))) [2020-10-13 12:35:58,600 INFO L268 CegarLoopResult]: For program point L310(lines 310 318) no Hoare annotation was computed. [2020-10-13 12:35:58,600 INFO L264 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 (not (<= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2020-10-13 12:35:58,600 INFO L268 CegarLoopResult]: For program point L308-1(line 308) no Hoare annotation was computed. [2020-10-13 12:35:58,600 INFO L268 CegarLoopResult]: For program point L306(lines 306 323) no Hoare annotation was computed. [2020-10-13 12:35:58,600 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2020-10-13 12:35:58,600 INFO L268 CegarLoopResult]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2020-10-13 12:35:58,600 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~systemActive~0)) (.cse5 (not (<= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3 .cse5) (or .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse4 .cse3 .cse5))) [2020-10-13 12:35:58,600 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-10-13 12:35:58,601 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-10-13 12:35:58,601 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-10-13 12:35:58,601 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-10-13 12:35:58,601 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2020-10-13 12:35:58,601 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse3 (not (<= 1 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse3 .cse0 .cse1 .cse2))) [2020-10-13 12:35:58,601 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2020-10-13 12:35:58,601 INFO L268 CegarLoopResult]: For program point L502(lines 502 508) no Hoare annotation was computed. [2020-10-13 12:35:58,602 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse3 (not (<= 1 ~waterLevel~0)) (<= ~methaneLevelCritical~0 __utac_acc__Specification1_spec__1_~tmp~6) .cse1) (or (not (= ~waterLevel~0 1)) .cse3 .cse0 .cse1 .cse2))) [2020-10-13 12:35:58,602 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-10-13 12:35:58,602 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-10-13 12:35:58,602 INFO L268 CegarLoopResult]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2020-10-13 12:35:58,602 INFO L271 CegarLoopResult]: At program point L496(line 496) the Hoare annotation is: true [2020-10-13 12:35:58,602 INFO L268 CegarLoopResult]: For program point L496-1(line 496) no Hoare annotation was computed. [2020-10-13 12:35:58,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:35:58 BoogieIcfgContainer [2020-10-13 12:35:58,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:35:58,626 INFO L168 Benchmark]: Toolchain (without parser) took 126998.97 ms. Allocated memory was 141.0 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 102.3 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-13 12:35:58,627 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:35:58,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.54 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 170.6 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:35:58,628 INFO L168 Benchmark]: Boogie Preprocessor took 93.23 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 166.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:35:58,629 INFO L168 Benchmark]: RCFGBuilder took 1137.95 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.7 MB in the beginning and 193.0 MB in the end (delta: -26.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:35:58,629 INFO L168 Benchmark]: TraceAbstraction took 125058.29 ms. Allocated memory was 236.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 191.6 MB in the beginning and 1.2 GB in the end (delta: -978.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-13 12:35:58,632 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.54 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 170.6 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.23 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 166.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1137.95 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.7 MB in the beginning and 193.0 MB in the end (delta: -26.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 125058.29 ms. Allocated memory was 236.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 191.6 MB in the beginning and 1.2 GB in the end (delta: -978.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (((!(0 <= \old(methaneLevelCritical)) || !(\old(waterLevel) == 1)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) <= 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((!(0 <= \old(methaneLevelCritical)) || !(\old(waterLevel) == 1)) || ((((methaneLevelCritical == 1 && splverifierCounter <= 0) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel)) || \old(systemActive) == 0) || (((((methaneLevelCritical <= 0 && splverifierCounter <= 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel)) || !(\old(methaneLevelCritical) <= 0)) || !(\old(pumpRunning) == 0)) || ((((methaneLevelCritical <= 0 && splverifierCounter <= 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) && 2 <= waterLevel) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 90.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 40.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 34.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1600 SDtfs, 4014 SDslu, 1548 SDs, 0 SdLazy, 9499 SolverSat, 2969 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 613 GetRequests, 412 SyntacticMatches, 9 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1307 ImplicationChecksByTransitivity, 17.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1329occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1061 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2284 PreInvPairs, 2465 NumberOfFragments, 2421 HoareAnnotationTreeSize, 2284 FomulaSimplifications, 164938279 FormulaSimplificationTreeSizeReduction, 8.2s HoareSimplificationTime, 65 FomulaSimplificationsInter, 4534091 FormulaSimplificationTreeSizeReductionInter, 26.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 47.6s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1126 ConstructedInterpolants, 0 QuantifiedInterpolants, 413098 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 150/161 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...