/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:16:03,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:16:03,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:16:03,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:16:03,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:16:03,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:16:03,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:16:03,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:16:03,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:16:03,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:16:03,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:16:03,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:16:03,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:16:03,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:16:03,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:16:03,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:16:03,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:16:03,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:16:03,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:16:03,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:16:03,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:16:03,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:16:03,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:16:03,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:16:03,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:16:03,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:16:03,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:16:03,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:16:03,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:16:03,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:16:03,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:16:03,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:16:03,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:16:03,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:16:03,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:16:03,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:16:03,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:16:03,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:16:03,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:16:03,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:16:03,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:16:03,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 07:16:03,640 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:16:03,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:16:03,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:16:03,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:16:03,643 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:16:03,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:16:03,644 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:16:03,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:16:03,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:16:03,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:16:03,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:16:03,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:16:03,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:16:03,646 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:16:03,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:16:03,647 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:16:03,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:16:03,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:16:03,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:16:03,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:16:03,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:16:03,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:16:03,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:16:03,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:16:03,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:16:03,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:16:03,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:16:03,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:16:03,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:16:03,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:16:03,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:16:03,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:16:03,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:16:03,986 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:16:03,986 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:16:03,987 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-10-14 07:16:04,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a5ada79b/6c49f218199c4732aa6506271670cf7d/FLAG8a43bd68b [2020-10-14 07:16:04,573 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:16:04,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-10-14 07:16:04,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a5ada79b/6c49f218199c4732aa6506271670cf7d/FLAG8a43bd68b [2020-10-14 07:16:04,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a5ada79b/6c49f218199c4732aa6506271670cf7d [2020-10-14 07:16:04,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:16:04,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:16:04,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:16:04,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:16:04,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:16:04,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:16:04" (1/1) ... [2020-10-14 07:16:04,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b65b249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:04, skipping insertion in model container [2020-10-14 07:16:04,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:16:04" (1/1) ... [2020-10-14 07:16:04,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:16:04,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:16:05,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:16:05,300 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:16:05,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:16:05,545 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:16:05,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:05 WrapperNode [2020-10-14 07:16:05,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:16:05,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:16:05,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:16:05,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:16:05,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:05" (1/1) ... [2020-10-14 07:16:05,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:05" (1/1) ... [2020-10-14 07:16:05,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:05" (1/1) ... [2020-10-14 07:16:05,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:05" (1/1) ... [2020-10-14 07:16:05,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:05" (1/1) ... [2020-10-14 07:16:05,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:05" (1/1) ... [2020-10-14 07:16:05,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:05" (1/1) ... [2020-10-14 07:16:05,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:16:05,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:16:05,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:16:05,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:16:05,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:16:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:16:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:16:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:16:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:16:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:16:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:16:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:16:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:16:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:16:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:16:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-14 07:16:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-14 07:16:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:16:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:16:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:16:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:16:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:16:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:16:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-14 07:16:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-14 07:16:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:16:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:16:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:16:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:16:05,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:16:05,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:16:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-14 07:16:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-14 07:16:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:16:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:16:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:16:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:16:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:16:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-14 07:16:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:16:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:16:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:16:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:16:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:16:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:16:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:16:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:16:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:16:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:16:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:16:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:16:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:16:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:16:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:16:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:16:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-14 07:16:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-14 07:16:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:16:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:16:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:16:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:16:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:16:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:16:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:16:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:16:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:16:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:16:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:16:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:16:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:16:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:16:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:16:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-14 07:16:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:16:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-14 07:16:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-14 07:16:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-14 07:16:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-14 07:16:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:16:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:16:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:16:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:16:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:16:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:16:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:16:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:16:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:16:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:16:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:16:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:16:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:16:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:16:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:16:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:16:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:16:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:16:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:16:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:16:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:16:06,870 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:16:06,870 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:16:06,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:16:06 BoogieIcfgContainer [2020-10-14 07:16:06,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:16:06,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:16:06,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:16:06,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:16:06,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:16:04" (1/3) ... [2020-10-14 07:16:06,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1139346f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:16:06, skipping insertion in model container [2020-10-14 07:16:06,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:05" (2/3) ... [2020-10-14 07:16:06,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1139346f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:16:06, skipping insertion in model container [2020-10-14 07:16:06,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:16:06" (3/3) ... [2020-10-14 07:16:06,885 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2020-10-14 07:16:06,896 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:16:06,905 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:16:06,920 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:16:06,946 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:16:06,946 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:16:06,947 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:16:06,947 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:16:06,947 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:16:06,947 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:16:06,947 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:16:06,948 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:16:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-10-14 07:16:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 07:16:06,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:06,983 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:06,983 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:06,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:06,990 INFO L82 PathProgramCache]: Analyzing trace with hash 916136138, now seen corresponding path program 1 times [2020-10-14 07:16:06,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:06,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741546477] [2020-10-14 07:16:07,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:07,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:07,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:07,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:08,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:10,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:11,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:11,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 07:16:11,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:16:11,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3844 [2020-10-14 07:16:11,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:11,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:11,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:11,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 07:16:11,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:11,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-10-14 07:16:11,504 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:11,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:11,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:11,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:11,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:11,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:11,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:16:11,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:11,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:11,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:11,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:11,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:11,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:11,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:11,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:11,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:11,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:11,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:11,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:11,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:11,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:11,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:11,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:11,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:11,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:11,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:11,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:11,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:11,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:11,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:11,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:11,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:11,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:11,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:11,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:11,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:11,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:11,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:11,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:11,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:11,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:11,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:11,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:11,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:11,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:11,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:11,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:11,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:11,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:11,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:11,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:16:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:11,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:11,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:11,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:11,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:11,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:11,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:11,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:11,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:11,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 07:16:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:11,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:11,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:11,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:11,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:11,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:11,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:11,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:11,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:16:11,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741546477] [2020-10-14 07:16:11,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:16:11,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 07:16:11,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626077496] [2020-10-14 07:16:11,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 07:16:11,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:11,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 07:16:11,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 07:16:11,631 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 3 states. [2020-10-14 07:16:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:12,766 INFO L93 Difference]: Finished difference Result 297 states and 388 transitions. [2020-10-14 07:16:12,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 07:16:12,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-14 07:16:12,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:12,782 INFO L225 Difference]: With dead ends: 297 [2020-10-14 07:16:12,782 INFO L226 Difference]: Without dead ends: 160 [2020-10-14 07:16:12,787 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 [2020-10-14 07:16:12,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-14 07:16:12,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 128. [2020-10-14 07:16:12,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-14 07:16:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2020-10-14 07:16:12,915 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 46 [2020-10-14 07:16:12,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:12,916 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2020-10-14 07:16:12,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 07:16:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2020-10-14 07:16:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 07:16:12,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:12,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:12,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:16:12,920 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:12,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:12,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1104947330, now seen corresponding path program 1 times [2020-10-14 07:16:12,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:12,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575920834] [2020-10-14 07:16:12,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:12,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:13,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:13,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:17,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:17,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 07:16:17,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:16:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4435 [2020-10-14 07:16:17,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:17,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 07:16:17,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:17,687 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:17,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:17,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:17,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:17,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:17,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:17,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 07:16:17,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:17,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:17,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:16:17,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:17,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:17,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:17,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:17,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:17,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:17,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:16:17,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:17,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:16:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:17,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:17,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:17,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:17,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:17,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:17,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:17,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:17,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:17,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:17,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:17,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:16:17,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:17,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:17,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:17,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:17,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:17,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:17,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:17,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:17,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:17,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:17,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:17,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:17,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:17,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:17,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:17,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:17,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:17,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:17,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:17,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:17,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:17,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:17,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:17,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:16:17,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:17,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 07:16:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:17,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:17,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:17,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:17,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:17,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:17,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:17,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:17,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:16:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:17,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:17,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:17,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:17,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:17,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:17,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:17,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:17,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:17,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:17,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:17,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:17,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:16:17,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575920834] [2020-10-14 07:16:17,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:16:17,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:16:17,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576148016] [2020-10-14 07:16:17,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:16:17,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:17,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:16:17,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:16:17,909 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 5 states. [2020-10-14 07:16:18,225 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:16:19,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:19,064 INFO L93 Difference]: Finished difference Result 264 states and 332 transitions. [2020-10-14 07:16:19,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:16:19,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-10-14 07:16:19,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:19,069 INFO L225 Difference]: With dead ends: 264 [2020-10-14 07:16:19,069 INFO L226 Difference]: Without dead ends: 160 [2020-10-14 07:16:19,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:16:19,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-14 07:16:19,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 128. [2020-10-14 07:16:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-14 07:16:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2020-10-14 07:16:19,111 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 47 [2020-10-14 07:16:19,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:19,112 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2020-10-14 07:16:19,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:16:19,112 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2020-10-14 07:16:19,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 07:16:19,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:19,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:19,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:16:19,115 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:19,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:19,116 INFO L82 PathProgramCache]: Analyzing trace with hash 458129541, now seen corresponding path program 1 times [2020-10-14 07:16:19,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:19,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572282263] [2020-10-14 07:16:19,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:19,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:19,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:19,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:19,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:22,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:23,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:23,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:24,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:24,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:16:24,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:16:24,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 07:16:24,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:24,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 07:16:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:16:24,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:24,426 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:24,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:24,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:24,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:24,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:24,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:24,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 07:16:24,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:24,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:24,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:24,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:24,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:24,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:24,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:24,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:24,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:24,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:24,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:24,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:24,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:24,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:24,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:24,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:24,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:24,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:24,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:24,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:24,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:16:24,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:24,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:24,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:24,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:24,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:24,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:24,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:24,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:24,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:24,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:24,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:24,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:24,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:24,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:24,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:24,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:24,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:24,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:24,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:24,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:24,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:24,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:24,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:16:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:24,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:24,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:24,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 07:16:24,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:24,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:16:24,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:24,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:16:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:16:24,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:24,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:24,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:24,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:24,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:16:24,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:24,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:16:24,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:24,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:16:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:16:24,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:24,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:24,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:24,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:24,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:24,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:24,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:24,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:24,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:24,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:24,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:16:24,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:24,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:16:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:24,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:24,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:24,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:24,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:24,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:24,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:24,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:24,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:24,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:24,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:24,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:24,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 07:16:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:24,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:24,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:24,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:24,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:24,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:24,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:24,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:24,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:24,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:16:24,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572282263] [2020-10-14 07:16:24,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:16:24,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 07:16:24,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894653961] [2020-10-14 07:16:24,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:16:24,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:24,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:16:24,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:16:24,592 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 6 states. [2020-10-14 07:16:24,924 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:16:25,987 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:16:27,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:27,080 INFO L93 Difference]: Finished difference Result 389 states and 513 transitions. [2020-10-14 07:16:27,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:16:27,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-10-14 07:16:27,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:27,085 INFO L225 Difference]: With dead ends: 389 [2020-10-14 07:16:27,086 INFO L226 Difference]: Without dead ends: 285 [2020-10-14 07:16:27,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:16:27,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-10-14 07:16:27,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 220. [2020-10-14 07:16:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-14 07:16:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 263 transitions. [2020-10-14 07:16:27,170 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 263 transitions. Word has length 64 [2020-10-14 07:16:27,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:27,171 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 263 transitions. [2020-10-14 07:16:27,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:16:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 263 transitions. [2020-10-14 07:16:27,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 07:16:27,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:27,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:27,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:16:27,174 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:27,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:27,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1170867649, now seen corresponding path program 1 times [2020-10-14 07:16:27,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:27,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572195687] [2020-10-14 07:16:27,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:27,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:27,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:27,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:27,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:29,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 07:16:32,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:16:32,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:16:32,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:16:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 07:16:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:16:32,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:32,547 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:32,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:32,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:32,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:16:32,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:32,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:32,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:32,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:32,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:32,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:32,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:32,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:32,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:32,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:32,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:32,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:32,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:32,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:32,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:32,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:32,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:32,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:32,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:32,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:32,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:32,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:32,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:32,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:32,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:16:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:16:32,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:16:32,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:16:32,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:32,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:16:32,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:32,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:16:32,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:32,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:16:32,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:32,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:16:32,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:32,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:16:32,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:32,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:16:32,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:32,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 07:16:32,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:32,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:16:32,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:32,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:32,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:32,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:32,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:32,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:16:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:32,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:32,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:32,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:16:32,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:32,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:16:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:32,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:32,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:16:32,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:32,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:32,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 07:16:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:32,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:32,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:32,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:32,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:32,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:16:32,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:32,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:32,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:16:32,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572195687] [2020-10-14 07:16:32,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:16:32,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:16:32,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231219596] [2020-10-14 07:16:32,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:16:32,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:32,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:16:32,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:16:32,756 INFO L87 Difference]: Start difference. First operand 220 states and 263 transitions. Second operand 8 states. [2020-10-14 07:16:33,185 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:16:34,267 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:16:34,522 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:16:34,848 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:16:35,128 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:16:35,386 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:16:36,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:36,480 INFO L93 Difference]: Finished difference Result 278 states and 353 transitions. [2020-10-14 07:16:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 07:16:36,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-10-14 07:16:36,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:36,490 INFO L225 Difference]: With dead ends: 278 [2020-10-14 07:16:36,490 INFO L226 Difference]: Without dead ends: 275 [2020-10-14 07:16:36,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:16:36,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-14 07:16:36,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 220. [2020-10-14 07:16:36,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-14 07:16:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 262 transitions. [2020-10-14 07:16:36,540 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 262 transitions. Word has length 78 [2020-10-14 07:16:36,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:36,541 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 262 transitions. [2020-10-14 07:16:36,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:16:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 262 transitions. [2020-10-14 07:16:36,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 07:16:36,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:36,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:36,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:16:36,543 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:36,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:36,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1741518865, now seen corresponding path program 1 times [2020-10-14 07:16:36,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:36,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387596145] [2020-10-14 07:16:36,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:36,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:36,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 07:16:39,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:16:39,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2765 [2020-10-14 07:16:39,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:16:39,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 07:16:39,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:16:39,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:39,569 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:39,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:39,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:16:39,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:39,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:39,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:39,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:39,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:39,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:39,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:39,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:39,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:39,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:39,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:39,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:39,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:39,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:39,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:39,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:39,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:39,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:39,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:39,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:16:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:16:39,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:16:39,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:16:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 07:16:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:16:39,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:39,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:16:39,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:16:39,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:16:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 07:16:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:16:39,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:39,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:16:39,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:16:39,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:16:39,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:39,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:16:39,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:39,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:39,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:39,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:39,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:39,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:16:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:39,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:39,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:39,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:39,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 07:16:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:39,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:39,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:39,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:39,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 07:16:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:39,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:39,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:39,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:39,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:39,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:16:39,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:39,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:39,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:39,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:39,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:39,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:16:39,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387596145] [2020-10-14 07:16:39,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:16:39,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:16:39,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291715124] [2020-10-14 07:16:39,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:16:39,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:39,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:16:39,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:16:39,803 INFO L87 Difference]: Start difference. First operand 220 states and 262 transitions. Second operand 8 states. [2020-10-14 07:16:40,801 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:16:41,045 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:16:41,302 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:16:41,548 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:16:42,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:42,518 INFO L93 Difference]: Finished difference Result 470 states and 597 transitions. [2020-10-14 07:16:42,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 07:16:42,519 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-14 07:16:42,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:42,523 INFO L225 Difference]: With dead ends: 470 [2020-10-14 07:16:42,523 INFO L226 Difference]: Without dead ends: 274 [2020-10-14 07:16:42,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:16:42,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-10-14 07:16:42,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 225. [2020-10-14 07:16:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-14 07:16:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 267 transitions. [2020-10-14 07:16:42,572 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 267 transitions. Word has length 79 [2020-10-14 07:16:42,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:42,573 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 267 transitions. [2020-10-14 07:16:42,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:16:42,573 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 267 transitions. [2020-10-14 07:16:42,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-14 07:16:42,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:42,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:42,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:16:42,575 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:42,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:42,575 INFO L82 PathProgramCache]: Analyzing trace with hash 175860500, now seen corresponding path program 1 times [2020-10-14 07:16:42,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:42,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279732373] [2020-10-14 07:16:42,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:42,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:42,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:42,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 07:16:46,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:16:46,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3739 [2020-10-14 07:16:46,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:46,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 07:16:46,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:16:46,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:46,620 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:46,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:46,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:46,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 07:16:46,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:46,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:46,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:46,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:46,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:46,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:46,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:46,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:46,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:46,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:46,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:46,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:46,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:46,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:46,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:46,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:46,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 07:16:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:16:46,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:16:46,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:16:46,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 07:16:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:16:46,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:16:46,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 07:16:46,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:16:46,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:16:46,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:16:46,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:46,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:16:46,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:46,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:46,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:16:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:46,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:46,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:46,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 07:16:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:46,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:46,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:46,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:46,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 07:16:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:46,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:46,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:46,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:46,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:46,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:46,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:46,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:46,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:46,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:46,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:16:46,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279732373] [2020-10-14 07:16:46,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:16:46,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:16:46,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199787138] [2020-10-14 07:16:46,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:16:46,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:46,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:16:46,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:16:46,813 INFO L87 Difference]: Start difference. First operand 225 states and 267 transitions. Second operand 5 states. [2020-10-14 07:16:47,284 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:16:48,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:48,219 INFO L93 Difference]: Finished difference Result 400 states and 473 transitions. [2020-10-14 07:16:48,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:16:48,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-10-14 07:16:48,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:48,223 INFO L225 Difference]: With dead ends: 400 [2020-10-14 07:16:48,223 INFO L226 Difference]: Without dead ends: 235 [2020-10-14 07:16:48,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:16:48,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-14 07:16:48,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 200. [2020-10-14 07:16:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-14 07:16:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 226 transitions. [2020-10-14 07:16:48,275 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 226 transitions. Word has length 75 [2020-10-14 07:16:48,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:48,275 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 226 transitions. [2020-10-14 07:16:48,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:16:48,276 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 226 transitions. [2020-10-14 07:16:48,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 07:16:48,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:48,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:48,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:16:48,278 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:48,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:48,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1718886611, now seen corresponding path program 1 times [2020-10-14 07:16:48,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:48,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694895916] [2020-10-14 07:16:48,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:48,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:48,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:49,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:49,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 07:16:49,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:16:49,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1320 [2020-10-14 07:16:49,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:49,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:49,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:49,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 07:16:49,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:49,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:49,874 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:49,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:49,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:49,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:49,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:49,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:49,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 07:16:49,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:49,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:49,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:49,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:49,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:49,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:49,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:49,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:49,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:49,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:49,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:49,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:49,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:49,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:49,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:49,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:49,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:49,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:49,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:49,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:49,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:49,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:49,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:49,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:49,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:49,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:49,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:49,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:49,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:49,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:49,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:49,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:49,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:49,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:49,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:49,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:49,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:49,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:49,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:49,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:49,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:49,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:49,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:49,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:49,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:16:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:49,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:49,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:49,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:16:49,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:49,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:16:49,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:49,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:49,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 07:16:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:49,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:49,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:49,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:16:50,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:16:50,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:16:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:50,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:50,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:16:50,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:16:50,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:50,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:16:50,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:50,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:50,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:16:50,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:50,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:16:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:50,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:50,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 07:16:50,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:16:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:50,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:50,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:16:50,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 07:16:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:50,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:50,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:50,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:50,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:50,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:50,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 07:16:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:50,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:50,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:50,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:50,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:50,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:50,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:50,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:50,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:16:50,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694895916] [2020-10-14 07:16:50,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:16:50,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:16:50,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625587441] [2020-10-14 07:16:50,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:16:50,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:50,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:16:50,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:16:50,152 INFO L87 Difference]: Start difference. First operand 200 states and 226 transitions. Second operand 7 states. [2020-10-14 07:16:51,269 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:16:51,504 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:16:51,751 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:16:52,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:52,544 INFO L93 Difference]: Finished difference Result 418 states and 505 transitions. [2020-10-14 07:16:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:16:52,546 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2020-10-14 07:16:52,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:52,548 INFO L225 Difference]: With dead ends: 418 [2020-10-14 07:16:52,548 INFO L226 Difference]: Without dead ends: 242 [2020-10-14 07:16:52,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:16:52,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-14 07:16:52,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 204. [2020-10-14 07:16:52,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-14 07:16:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 230 transitions. [2020-10-14 07:16:52,613 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 230 transitions. Word has length 79 [2020-10-14 07:16:52,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:52,614 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 230 transitions. [2020-10-14 07:16:52,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:16:52,614 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 230 transitions. [2020-10-14 07:16:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 07:16:52,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:52,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:52,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:16:52,616 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:52,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:52,617 INFO L82 PathProgramCache]: Analyzing trace with hash -693394612, now seen corresponding path program 1 times [2020-10-14 07:16:52,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:52,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437589001] [2020-10-14 07:16:52,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:52,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:52,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:53,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 07:16:54,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:16:54,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1462 [2020-10-14 07:16:54,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:16:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 07:16:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 07:16:54,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:54,417 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:54,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:54,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:16:54,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:54,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:54,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:54,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:54,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:54,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:54,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:54,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:16:54,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:54,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:54,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:54,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:54,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:54,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:54,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:54,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:54,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:54,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:54,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:54,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:54,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:16:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:16:54,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:16:54,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:54,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:54,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:16:54,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:54,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:16:54,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:16:54,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:16:54,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:54,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:16:54,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:16:54,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:16:54,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:54,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:16:54,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:54,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:54,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:54,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:16:54,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:54,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:16:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:54,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:54,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:54,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 07:16:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:54,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:16:54,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:54,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:54,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:54,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 07:16:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:54,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:54,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:54,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:54,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:54,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:54,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:54,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:54,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:54,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:54,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:54,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:16:54,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437589001] [2020-10-14 07:16:54,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:16:54,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:16:54,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566021494] [2020-10-14 07:16:54,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:16:54,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:54,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:16:54,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:16:54,640 INFO L87 Difference]: Start difference. First operand 204 states and 230 transitions. Second operand 8 states. [2020-10-14 07:16:55,320 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:16:56,299 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:16:56,540 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:16:56,810 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:16:57,059 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:16:58,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:58,013 INFO L93 Difference]: Finished difference Result 509 states and 661 transitions. [2020-10-14 07:16:58,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:16:58,014 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-14 07:16:58,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:58,018 INFO L225 Difference]: With dead ends: 509 [2020-10-14 07:16:58,018 INFO L226 Difference]: Without dead ends: 329 [2020-10-14 07:16:58,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:16:58,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-14 07:16:58,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 281. [2020-10-14 07:16:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-14 07:16:58,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 336 transitions. [2020-10-14 07:16:58,071 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 336 transitions. Word has length 79 [2020-10-14 07:16:58,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:58,072 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 336 transitions. [2020-10-14 07:16:58,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:16:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 336 transitions. [2020-10-14 07:16:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-14 07:16:58,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:58,075 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:58,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 07:16:58,076 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:58,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:58,076 INFO L82 PathProgramCache]: Analyzing trace with hash 857645950, now seen corresponding path program 1 times [2020-10-14 07:16:58,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:58,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640646472] [2020-10-14 07:16:58,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:58,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:58,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:58,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:00,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-14 07:17:03,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:17:03,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-14 07:17:03,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:17:03,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 07:17:03,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 07:17:03,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:03,378 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:17:03,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:17:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:03,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 07:17:03,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:03,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:17:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:03,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:03,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:03,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:03,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:03,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:17:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:03,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:03,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:03,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:03,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:03,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:03,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:03,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:03,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:03,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:03,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:17:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:03,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:03,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:03,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:03,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 07:17:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:03,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:03,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:03,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:17:03,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:17:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:17:03,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:17:03,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 07:17:03,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:03,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 07:17:03,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:03,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:17:03,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:17:03,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:17:03,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:17:03,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:17:03,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:03,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:17:03,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:17:03,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:17:03,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:17:03,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:17:03,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:03,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:03,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:17:03,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:17:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:03,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:03,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:17:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 07:17:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 07:17:03,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:17:03,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:03,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:17:03,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:03,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:03,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 07:17:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:03,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:17:03,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:17:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:17:03,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:03,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 07:17:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 07:17:03,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:17:03,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 07:17:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:17:03,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:03,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:17:03,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:17:03,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 07:17:03,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:03,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:17:03,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:17:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:17:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 07:17:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:17:03,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:17:03,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:17:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:17:03,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:03,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:03,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:03,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:03,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:03,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 07:17:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:03,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:03,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:03,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-14 07:17:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:03,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:03,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:03,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:03,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:03,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:03,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:03,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:03,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:03,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 07:17:03,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640646472] [2020-10-14 07:17:03,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:17:03,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 07:17:03,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789321725] [2020-10-14 07:17:03,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 07:17:03,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:17:03,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 07:17:03,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-10-14 07:17:03,880 INFO L87 Difference]: Start difference. First operand 281 states and 336 transitions. Second operand 13 states. [2020-10-14 07:17:04,360 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:17:04,776 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:17:06,477 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-10-14 07:17:06,949 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-10-14 07:17:07,412 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-14 07:17:08,045 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:17:08,288 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:17:08,517 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:17:08,730 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:17:09,808 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:17:10,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:17:10,718 INFO L93 Difference]: Finished difference Result 1022 states and 1396 transitions. [2020-10-14 07:17:10,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 07:17:10,719 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 136 [2020-10-14 07:17:10,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:17:10,725 INFO L225 Difference]: With dead ends: 1022 [2020-10-14 07:17:10,725 INFO L226 Difference]: Without dead ends: 765 [2020-10-14 07:17:10,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 54 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=296, Invalid=1036, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 07:17:10,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2020-10-14 07:17:10,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 560. [2020-10-14 07:17:10,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 07:17:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-10-14 07:17:10,886 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 136 [2020-10-14 07:17:10,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:17:10,889 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-10-14 07:17:10,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 07:17:10,889 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-10-14 07:17:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 07:17:10,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:17:10,893 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 07:17:10,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 07:17:10,893 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:17:10,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:17:10,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1775126016, now seen corresponding path program 1 times [2020-10-14 07:17:10,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:17:10,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173708570] [2020-10-14 07:17:10,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:17:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:10,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:11,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:11,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:13,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:13,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:15,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:15,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-14 07:17:15,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:17:15,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 07:17:15,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:15,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:15,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:15,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 144 [2020-10-14 07:17:15,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:17:15,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,152 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:17:16,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:17:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:16,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:17:16,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:16,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:17:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:16,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:17:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:16,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:17:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:16,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:17:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:16,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:17:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:17:16,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:17:16,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:17:16,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:16,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:17:16,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:17:16,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:17:16,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:16,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:17:16,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:17:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:16,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 07:17:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 07:17:16,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:16,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:16,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:16,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 07:17:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:16,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 07:17:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 07:17:16,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:17:16,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:17:16,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 07:17:16,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:17:16,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:17:16,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:17:16,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:17:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:17:16,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:17:16,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:17:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:16,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:17:16,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 07:17:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:17:16,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 07:17:16,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:17:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:17:16,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:17:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 07:17:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:16,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:16,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 07:17:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:17:16,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:17:16,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:17:16,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:17:16,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:17:16,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:17:16,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:17:16,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:17:16,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:17:16,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:17:16,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:17:16,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:17:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-14 07:17:16,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [173708570] [2020-10-14 07:17:16,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:17:16,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 07:17:16,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127915144] [2020-10-14 07:17:16,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 07:17:16,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:17:16,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 07:17:16,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:17:16,397 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 10 states. [2020-10-14 07:17:17,780 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:17:18,041 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:17:18,276 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:17:18,502 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:17:18,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:17:18,797 INFO L93 Difference]: Finished difference Result 842 states and 1056 transitions. [2020-10-14 07:17:18,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:17:18,798 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2020-10-14 07:17:18,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:17:18,799 INFO L225 Difference]: With dead ends: 842 [2020-10-14 07:17:18,799 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:17:18,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:17:18,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:17:18,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:17:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:17:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:17:18,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2020-10-14 07:17:18,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:17:18,804 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:17:18,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 07:17:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:17:18,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:17:18,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 07:17:18,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:17:20,277 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 247 DAG size of output: 230 [2020-10-14 07:17:21,379 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 234 [2020-10-14 07:17:23,164 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 230 [2020-10-14 07:17:23,569 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 234 [2020-10-14 07:17:24,019 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 29 [2020-10-14 07:17:24,339 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 11 [2020-10-14 07:17:25,217 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 27 [2020-10-14 07:17:25,388 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-14 07:17:25,610 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-10-14 07:17:25,769 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-14 07:17:27,027 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 185 DAG size of output: 27 [2020-10-14 07:17:27,351 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-10-14 07:17:27,526 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-10-14 07:17:27,739 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:17:28,239 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-14 07:17:28,393 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-14 07:17:28,896 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-10-14 07:17:29,075 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-10-14 07:17:29,440 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 15 [2020-10-14 07:17:29,626 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-10-14 07:17:29,796 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-14 07:17:30,271 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-10-14 07:17:30,843 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-14 07:17:30,995 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-14 07:17:31,347 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-10-14 07:17:31,538 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 14 [2020-10-14 07:17:31,724 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-10-14 07:17:31,895 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-10-14 07:17:32,072 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-10-14 07:17:32,261 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-14 07:17:32,434 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-10-14 07:17:33,297 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 27 [2020-10-14 07:17:34,544 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 185 DAG size of output: 27 [2020-10-14 07:17:35,055 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-10-14 07:17:35,240 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2020-10-14 07:17:35,404 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-10-14 07:17:35,560 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-14 07:17:35,767 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-10-14 07:17:35,927 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-10-14 07:17:36,068 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-14 07:17:36,228 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-10-14 07:17:36,233 INFO L268 CegarLoopResult]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-10-14 07:17:36,233 INFO L268 CegarLoopResult]: For program point L672-1(lines 672 676) no Hoare annotation was computed. [2020-10-14 07:17:36,233 INFO L268 CegarLoopResult]: For program point L667(line 667) no Hoare annotation was computed. [2020-10-14 07:17:36,233 INFO L268 CegarLoopResult]: For program point L666-2(lines 666 687) no Hoare annotation was computed. [2020-10-14 07:17:36,233 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 641 696) no Hoare annotation was computed. [2020-10-14 07:17:36,233 INFO L268 CegarLoopResult]: For program point L688(lines 665 689) no Hoare annotation was computed. [2020-10-14 07:17:36,233 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 641 696) no Hoare annotation was computed. [2020-10-14 07:17:36,234 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 641 696) no Hoare annotation was computed. [2020-10-14 07:17:36,234 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-10-14 07:17:36,234 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 733) no Hoare annotation was computed. [2020-10-14 07:17:36,234 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 697 756) no Hoare annotation was computed. [2020-10-14 07:17:36,234 INFO L268 CegarLoopResult]: For program point L724(line 724) no Hoare annotation was computed. [2020-10-14 07:17:36,234 INFO L268 CegarLoopResult]: For program point L723-2(lines 723 748) no Hoare annotation was computed. [2020-10-14 07:17:36,234 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 697 756) no Hoare annotation was computed. [2020-10-14 07:17:36,235 INFO L268 CegarLoopResult]: For program point L749(lines 722 750) no Hoare annotation was computed. [2020-10-14 07:17:36,235 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 697 756) no Hoare annotation was computed. [2020-10-14 07:17:36,235 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-10-14 07:17:36,235 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-10-14 07:17:36,235 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 546 552) the Hoare annotation is: true [2020-10-14 07:17:36,235 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 546 552) no Hoare annotation was computed. [2020-10-14 07:17:36,236 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 553 561) no Hoare annotation was computed. [2020-10-14 07:17:36,236 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 553 561) the Hoare annotation is: true [2020-10-14 07:17:36,236 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 553 561) no Hoare annotation was computed. [2020-10-14 07:17:36,236 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-10-14 07:17:36,236 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-10-14 07:17:36,236 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 563 587) the Hoare annotation is: true [2020-10-14 07:17:36,236 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (<= 2 ~waterLevel~0))) [2020-10-14 07:17:36,236 INFO L268 CegarLoopResult]: For program point L573-1(line 573) no Hoare annotation was computed. [2020-10-14 07:17:36,237 INFO L268 CegarLoopResult]: For program point L571(lines 571 584) no Hoare annotation was computed. [2020-10-14 07:17:36,237 INFO L268 CegarLoopResult]: For program point L571-1(lines 563 587) no Hoare annotation was computed. [2020-10-14 07:17:36,237 INFO L271 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: true [2020-10-14 07:17:36,237 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-10-14 07:17:36,237 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 563 587) no Hoare annotation was computed. [2020-10-14 07:17:36,237 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:17:36,237 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:17:36,237 INFO L264 CegarLoopResult]: At program point L250-1(line 250) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:17:36,238 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2020-10-14 07:17:36,238 INFO L268 CegarLoopResult]: For program point L248(lines 248 255) no Hoare annotation was computed. [2020-10-14 07:17:36,238 INFO L268 CegarLoopResult]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2020-10-14 07:17:36,238 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-10-14 07:17:36,238 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:17:36,238 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:17:36,239 INFO L264 CegarLoopResult]: At program point L244-1(line 244) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:17:36,239 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2020-10-14 07:17:36,239 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2020-10-14 07:17:36,239 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2020-10-14 07:17:36,239 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2020-10-14 07:17:36,239 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-10-14 07:17:36,239 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-10-14 07:17:36,239 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-10-14 07:17:36,239 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-10-14 07:17:36,239 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 379 387) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 379 387) the Hoare annotation is: true [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 379 387) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L268 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-10-14 07:17:36,240 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L271 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: true [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point L418-1(line 418) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point L407(lines 407 415) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 415) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 388 423) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point L395(lines 395 403) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point L395-2(lines 395 403) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 388 423) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 388 423) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-14 07:17:36,241 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 539 545) no Hoare annotation was computed. [2020-10-14 07:17:36,242 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 539 545) the Hoare annotation is: true [2020-10-14 07:17:36,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 595 640) no Hoare annotation was computed. [2020-10-14 07:17:36,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 595 640) no Hoare annotation was computed. [2020-10-14 07:17:36,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 595 640) no Hoare annotation was computed. [2020-10-14 07:17:36,242 INFO L268 CegarLoopResult]: For program point L928(lines 928 935) no Hoare annotation was computed. [2020-10-14 07:17:36,242 INFO L268 CegarLoopResult]: For program point L922(lines 922 942) no Hoare annotation was computed. [2020-10-14 07:17:36,242 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 908 953) no Hoare annotation was computed. [2020-10-14 07:17:36,242 INFO L268 CegarLoopResult]: For program point L922-1(lines 922 942) no Hoare annotation was computed. [2020-10-14 07:17:36,242 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 908 953) no Hoare annotation was computed. [2020-10-14 07:17:36,242 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 908 953) no Hoare annotation was computed. [2020-10-14 07:17:36,242 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:17:36,242 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2020-10-14 07:17:36,243 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2020-10-14 07:17:36,243 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 368 378) no Hoare annotation was computed. [2020-10-14 07:17:36,243 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 368 378) no Hoare annotation was computed. [2020-10-14 07:17:36,243 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 368 378) no Hoare annotation was computed. [2020-10-14 07:17:36,243 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-10-14 07:17:36,243 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-10-14 07:17:36,243 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 360 367) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:17:36,243 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 360 367) no Hoare annotation was computed. [2020-10-14 07:17:36,243 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 360 367) no Hoare annotation was computed. [2020-10-14 07:17:36,243 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-10-14 07:17:36,243 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2020-10-14 07:17:36,243 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2020-10-14 07:17:36,243 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2020-10-14 07:17:36,244 INFO L264 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| 0)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2020-10-14 07:17:36,244 INFO L268 CegarLoopResult]: For program point L346-1(lines 327 351) no Hoare annotation was computed. [2020-10-14 07:17:36,244 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 327 351) no Hoare annotation was computed. [2020-10-14 07:17:36,244 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-10-14 07:17:36,244 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 327 351) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-14 07:17:36,244 INFO L264 CegarLoopResult]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~2)) .cse0 .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-14 07:17:36,244 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-10-14 07:17:36,244 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-14 07:17:36,244 INFO L268 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2020-10-14 07:17:36,244 INFO L268 CegarLoopResult]: For program point L331(lines 331 348) no Hoare annotation was computed. [2020-10-14 07:17:36,244 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 293 299) no Hoare annotation was computed. [2020-10-14 07:17:36,244 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 293 299) the Hoare annotation is: true [2020-10-14 07:17:36,245 INFO L264 CegarLoopResult]: At program point testENTRY(lines 463 526) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:17:36,245 INFO L268 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-10-14 07:17:36,245 INFO L268 CegarLoopResult]: For program point testFINAL(lines 463 526) no Hoare annotation was computed. [2020-10-14 07:17:36,245 INFO L264 CegarLoopResult]: At program point L519(lines 472 520) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:17:36,245 INFO L268 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2020-10-14 07:17:36,245 INFO L264 CegarLoopResult]: At program point L509-2(lines 503 514) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0)))) [2020-10-14 07:17:36,245 INFO L268 CegarLoopResult]: For program point L474(lines 473 518) no Hoare annotation was computed. [2020-10-14 07:17:36,245 INFO L268 CegarLoopResult]: For program point L503(lines 503 514) no Hoare annotation was computed. [2020-10-14 07:17:36,245 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0)))) [2020-10-14 07:17:36,245 INFO L268 CegarLoopResult]: For program point L493(lines 493 499) no Hoare annotation was computed. [2020-10-14 07:17:36,245 INFO L268 CegarLoopResult]: For program point L493-1(lines 493 499) no Hoare annotation was computed. [2020-10-14 07:17:36,245 INFO L264 CegarLoopResult]: At program point L485(line 485) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0)))) [2020-10-14 07:17:36,245 INFO L264 CegarLoopResult]: At program point L516(lines 473 518) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0)))) [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point L483(lines 483 489) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point testEXIT(lines 463 526) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point L483-1(lines 483 489) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 862 907) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 862 907) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point L882(lines 882 889) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 862 907) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point L876(lines 876 896) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point L876-1(lines 876 896) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point L112(lines 112 120) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2020-10-14 07:17:36,246 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 529 538) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 529 538) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 529 538) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 759 861) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point L824-1(line 824) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point L783(lines 783 787) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point L847(lines 847 858) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point L808-2(lines 808 828) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 759 861) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point L829(lines 807 830) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point L788(lines 788 804) no Hoare annotation was computed. [2020-10-14 07:17:36,247 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 759 861) no Hoare annotation was computed. [2020-10-14 07:17:36,248 INFO L268 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-10-14 07:17:36,248 INFO L268 CegarLoopResult]: For program point L809(lines 808 828) no Hoare annotation was computed. [2020-10-14 07:17:36,248 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-10-14 07:17:36,248 INFO L268 CegarLoopResult]: For program point L840-1(line 840) no Hoare annotation was computed. [2020-10-14 07:17:36,248 INFO L268 CegarLoopResult]: For program point L805(lines 805 846) no Hoare annotation was computed. [2020-10-14 07:17:36,248 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:17:36,248 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~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.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~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.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~string71.base| |old(#t~string71.base)|) (= ~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)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#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)|)) [2020-10-14 07:17:36,248 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:17:36,248 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2020-10-14 07:17:36,248 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2020-10-14 07:17:36,249 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 352 359) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-10-14 07:17:36,249 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 127 135) the Hoare annotation is: true [2020-10-14 07:17:36,249 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2020-10-14 07:17:36,249 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2020-10-14 07:17:36,249 INFO L268 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-10-14 07:17:36,249 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 424 442) no Hoare annotation was computed. [2020-10-14 07:17:36,249 INFO L271 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: true [2020-10-14 07:17:36,249 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2020-10-14 07:17:36,249 INFO L268 CegarLoopResult]: For program point L431-1(line 431) no Hoare annotation was computed. [2020-10-14 07:17:36,249 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 424 442) the Hoare annotation is: true [2020-10-14 07:17:36,249 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 424 442) no Hoare annotation was computed. [2020-10-14 07:17:36,250 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-10-14 07:17:36,250 INFO L268 CegarLoopResult]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2020-10-14 07:17:36,250 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2020-10-14 07:17:36,250 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:17:36,250 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:17:36,250 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:17:36,250 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 95 103) no Hoare annotation was computed. [2020-10-14 07:17:36,250 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2020-10-14 07:17:36,250 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2020-10-14 07:17:36,250 INFO L264 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (and .cse0 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-10-14 07:17:36,250 INFO L264 CegarLoopResult]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (let ((.cse1 (and .cse0 .cse3 (<= 2 ~waterLevel~0))) (.cse2 (not .cse3))) (and (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (and (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2)))) [2020-10-14 07:17:36,250 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~waterLevel~0)|)) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-10-14 07:17:36,251 INFO L268 CegarLoopResult]: For program point L273(lines 272 291) no Hoare annotation was computed. [2020-10-14 07:17:36,251 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 269 292) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-10-14 07:17:36,251 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 269 292) no Hoare annotation was computed. [2020-10-14 07:17:36,251 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 269 292) no Hoare annotation was computed. [2020-10-14 07:17:36,251 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2020-10-14 07:17:36,251 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2020-10-14 07:17:36,251 INFO L271 CegarLoopResult]: At program point L187(lines 162 191) the Hoare annotation is: true [2020-10-14 07:17:36,251 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 07:17:36,251 INFO L268 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2020-10-14 07:17:36,251 INFO L271 CegarLoopResult]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2020-10-14 07:17:36,252 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-14 07:17:36,252 INFO L271 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2020-10-14 07:17:36,252 INFO L271 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: true [2020-10-14 07:17:36,252 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-10-14 07:17:36,252 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-14 07:17:36,252 INFO L268 CegarLoopResult]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2020-10-14 07:17:36,252 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2020-10-14 07:17:36,252 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2020-10-14 07:17:36,252 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2020-10-14 07:17:36,252 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:17:36,252 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) [2020-10-14 07:17:36,253 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:17:36,253 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:17:36,253 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 301 325) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:17:36,253 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:17:36,253 INFO L268 CegarLoopResult]: For program point L320-1(lines 301 325) no Hoare annotation was computed. [2020-10-14 07:17:36,253 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 301 325) no Hoare annotation was computed. [2020-10-14 07:17:36,253 INFO L264 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (< 0 (+ processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) [2020-10-14 07:17:36,253 INFO L264 CegarLoopResult]: At program point L311(line 311) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0)) (not (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:17:36,253 INFO L268 CegarLoopResult]: For program point L309(lines 309 317) no Hoare annotation was computed. [2020-10-14 07:17:36,253 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:17:36,253 INFO L268 CegarLoopResult]: For program point L307-1(line 307) no Hoare annotation was computed. [2020-10-14 07:17:36,254 INFO L268 CegarLoopResult]: For program point L305(lines 305 322) no Hoare annotation was computed. [2020-10-14 07:17:36,254 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2020-10-14 07:17:36,254 INFO L268 CegarLoopResult]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2020-10-14 07:17:36,254 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (<= 1 |old(~waterLevel~0)|)) .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-10-14 07:17:36,254 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-10-14 07:17:36,254 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-10-14 07:17:36,254 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-10-14 07:17:36,254 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-10-14 07:17:36,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:17:36 BoogieIcfgContainer [2020-10-14 07:17:36,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:17:36,273 INFO L168 Benchmark]: Toolchain (without parser) took 91382.97 ms. Allocated memory was 145.8 MB in the beginning and 1.1 GB in the end (delta: 915.9 MB). Free memory was 101.6 MB in the beginning and 533.3 MB in the end (delta: -431.7 MB). Peak memory consumption was 918.5 MB. Max. memory is 7.1 GB. [2020-10-14 07:17:36,274 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 07:17:36,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.48 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 172.0 MB in the end (delta: -70.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2020-10-14 07:17:36,276 INFO L168 Benchmark]: Boogie Preprocessor took 92.17 ms. Allocated memory is still 202.9 MB. Free memory was 172.0 MB in the beginning and 168.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-14 07:17:36,276 INFO L168 Benchmark]: RCFGBuilder took 1237.24 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 168.1 MB in the beginning and 199.4 MB in the end (delta: -31.4 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-10-14 07:17:36,277 INFO L168 Benchmark]: TraceAbstraction took 89394.17 ms. Allocated memory was 235.9 MB in the beginning and 1.1 GB in the end (delta: 825.8 MB). Free memory was 197.7 MB in the beginning and 533.3 MB in the end (delta: -335.6 MB). Peak memory consumption was 924.4 MB. Max. memory is 7.1 GB. [2020-10-14 07:17:36,280 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 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.48 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 172.0 MB in the end (delta: -70.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.17 ms. Allocated memory is still 202.9 MB. Free memory was 172.0 MB in the beginning and 168.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1237.24 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 168.1 MB in the beginning and 199.4 MB in the end (delta: -31.4 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 89394.17 ms. Allocated memory was 235.9 MB in the beginning and 1.1 GB in the end (delta: 825.8 MB). Free memory was 197.7 MB in the beginning and 533.3 MB in the end (delta: -335.6 MB). Peak memory consumption was 924.4 MB. 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: 473]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) <= 0) || !(1 <= \old(waterLevel))) || !(0 <= \old(pumpRunning))) || (((splverifierCounter <= 0 && 0 <= pumpRunning) && 1 <= waterLevel) && pumpRunning <= 0)) || (splverifierCounter <= 0 && 2 <= waterLevel)) || !(1 == systemActive) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (!(1 <= \old(waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 71.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 27.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1340 SDtfs, 2481 SDslu, 1281 SDs, 0 SdLazy, 5848 SolverSat, 1605 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 279 SyntacticMatches, 10 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 12.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=560occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 559 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 935 PreInvPairs, 1030 NumberOfFragments, 1054 HoareAnnotationTreeSize, 935 FomulaSimplifications, 37913763 FormulaSimplificationTreeSizeReduction, 4.9s HoareSimplificationTime, 58 FomulaSimplificationsInter, 2016021 FormulaSimplificationTreeSizeReductionInter, 12.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 42.6s InterpolantComputationTime, 815 NumberOfCodeBlocks, 815 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 805 ConstructedInterpolants, 0 QuantifiedInterpolants, 263351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 50/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...