/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_spec5_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:20:01,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:20:01,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:20:01,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:20:01,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:20:01,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:20:01,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:20:01,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:20:01,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:20:01,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:20:01,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:20:01,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:20:01,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:20:01,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:20:01,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:20:01,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:20:01,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:20:01,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:20:01,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:20:01,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:20:01,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:20:01,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:20:01,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:20:01,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:20:01,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:20:01,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:20:01,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:20:01,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:20:01,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:20:01,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:20:01,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:20:01,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:20:01,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:20:01,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:20:01,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:20:01,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:20:01,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:20:01,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:20:01,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:20:01,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:20:01,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:20:01,537 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 07:20:01,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:20:01,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:20:01,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:20:01,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:20:01,561 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:20:01,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:20:01,561 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:20:01,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:20:01,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:20:01,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:20:01,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:20:01,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:20:01,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:20:01,563 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:20:01,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:20:01,563 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:20:01,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:20:01,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:20:01,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:20:01,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:20:01,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:20:01,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:20:01,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:20:01,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:20:01,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:20:01,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:20:01,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:20:01,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:20:01,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:20:01,566 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 07:20:01,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:20:01,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:20:01,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:20:01,910 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:20:01,911 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:20:01,911 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-10-14 07:20:01,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a02c1686/85347a70c18e40499caea1273fffb29e/FLAG6dbd6ae3d [2020-10-14 07:20:02,568 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:20:02,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-10-14 07:20:02,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a02c1686/85347a70c18e40499caea1273fffb29e/FLAG6dbd6ae3d [2020-10-14 07:20:02,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a02c1686/85347a70c18e40499caea1273fffb29e [2020-10-14 07:20:02,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:20:02,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:20:02,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:20:02,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:20:02,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:20:02,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:20:02" (1/1) ... [2020-10-14 07:20:02,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184fc857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:20:02, skipping insertion in model container [2020-10-14 07:20:02,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:20:02" (1/1) ... [2020-10-14 07:20:02,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:20:02,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:20:03,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:20:03,329 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:20:03,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:20:03,470 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:20:03,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:20:03 WrapperNode [2020-10-14 07:20:03,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:20:03,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:20:03,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:20:03,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:20:03,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:20:03" (1/1) ... [2020-10-14 07:20:03,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:20:03" (1/1) ... [2020-10-14 07:20:03,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:20:03" (1/1) ... [2020-10-14 07:20:03,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:20:03" (1/1) ... [2020-10-14 07:20:03,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:20:03" (1/1) ... [2020-10-14 07:20:03,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:20:03" (1/1) ... [2020-10-14 07:20:03,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:20:03" (1/1) ... [2020-10-14 07:20:03,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:20:03,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:20:03,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:20:03,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:20:03,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:20:03" (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 07:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:20:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:20:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:20:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:20:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:20:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-14 07:20:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:20:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:20:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:20:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:20:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:20:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:20:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:20:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-14 07:20:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-14 07:20:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-14 07:20:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:20:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-14 07:20:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-14 07:20:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:20:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-14 07:20:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:20:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:20:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:20:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:20:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:20:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-14 07:20:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:20:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:20:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:20:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:20:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:20:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:20:03,638 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:20:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:20:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:20:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:20:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:20:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:20:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:20:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:20:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:20:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:20:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:20:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:20:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:20:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-14 07:20:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:20:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:20:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:20:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:20:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:20:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:20:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:20:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:20:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:20:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:20:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:20:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:20:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-14 07:20:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-14 07:20:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-14 07:20:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:20:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:20:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:20:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:20:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:20:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-14 07:20:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-14 07:20:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-14 07:20:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:20:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-14 07:20:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:20:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:20:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:20:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:20:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:20:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:20:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:20:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:20:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:20:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:20:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:20:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:20:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:20:04,733 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:20:04,734 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:20:04,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:20:04 BoogieIcfgContainer [2020-10-14 07:20:04,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:20:04,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:20:04,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:20:04,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:20:04,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:20:02" (1/3) ... [2020-10-14 07:20:04,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ffd082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:20:04, skipping insertion in model container [2020-10-14 07:20:04,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:20:03" (2/3) ... [2020-10-14 07:20:04,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ffd082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:20:04, skipping insertion in model container [2020-10-14 07:20:04,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:20:04" (3/3) ... [2020-10-14 07:20:04,748 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2020-10-14 07:20:04,759 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:20:04,768 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:20:04,782 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:20:04,809 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:20:04,809 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:20:04,809 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:20:04,809 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:20:04,810 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:20:04,810 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:20:04,810 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:20:04,810 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:20:04,835 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-10-14 07:20:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 07:20:04,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:20:04,848 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:20:04,848 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:20:04,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:20:04,855 INFO L82 PathProgramCache]: Analyzing trace with hash -587014934, now seen corresponding path program 1 times [2020-10-14 07:20:04,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:20:04,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547149926] [2020-10-14 07:20:04,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:20:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:05,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:05,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:05,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:07,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:09,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:09,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 07:20:09,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:20:09,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4591 [2020-10-14 07:20:09,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:09,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 07:20:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:09,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-10-14 07:20:10,248 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:20:10,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:10,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:10,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:10,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:10,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 07:20:10,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:10,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:10,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:10,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:20:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:10,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:10,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:10,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:10,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:10,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:20:10,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:10,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:10,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:10,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:20:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:10,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:10,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:10,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:10,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:10,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:10,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:10,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:10,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:10,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:10,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:10,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:10,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:10,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:10,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:10,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:10,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:10,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:10,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:10,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:10,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:20:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:10,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:10,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:10,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:10,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:10,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:10,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:10,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:10,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:10,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:10,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:10,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:20:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:10,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:10,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:10,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:10,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:10,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:20:10,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:10,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:10,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:10,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:10,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:10,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:10,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:20:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:10,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:10,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:10,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:10,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:10,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:20:10,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:10,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:10,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:10,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 07:20:10,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:10,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:10,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:10,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:10,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:10,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:10,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:10,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:10,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:10,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:10,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:10,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 07:20:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:10,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:10,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:10,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:10,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:10,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:20:10,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:10,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:10,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:10,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:20:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:10,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:10,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:10,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:10,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:10,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:20:10,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:10,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:20:10,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547149926] [2020-10-14 07:20:10,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:20:10,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:20:10,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260818614] [2020-10-14 07:20:10,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:20:10,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:20:10,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:20:10,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:20:10,479 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 4 states. [2020-10-14 07:20:11,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:20:11,693 INFO L93 Difference]: Finished difference Result 315 states and 403 transitions. [2020-10-14 07:20:11,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 07:20:11,695 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-14 07:20:11,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:20:11,710 INFO L225 Difference]: With dead ends: 315 [2020-10-14 07:20:11,711 INFO L226 Difference]: Without dead ends: 173 [2020-10-14 07:20:11,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:20:11,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-14 07:20:11,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 143. [2020-10-14 07:20:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-14 07:20:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-10-14 07:20:11,812 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 59 [2020-10-14 07:20:11,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:20:11,813 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-10-14 07:20:11,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:20:11,813 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-10-14 07:20:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 07:20:11,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:20:11,817 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:20:11,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:20:11,818 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:20:11,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:20:11,818 INFO L82 PathProgramCache]: Analyzing trace with hash 272490530, now seen corresponding path program 1 times [2020-10-14 07:20:11,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:20:11,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016249379] [2020-10-14 07:20:11,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:20:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:11,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:12,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:12,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:12,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:14,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:14,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:20:14,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:20:14,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2594 [2020-10-14 07:20:14,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:14,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:14,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:14,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:14,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 07:20:14,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:14,713 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:20:14,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:14,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:14,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:14,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:14,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:14,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 07:20:14,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:14,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:14,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:20:14,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:14,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:20:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:14,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:14,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:14,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:14,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:14,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:14,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:14,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:14,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:20:14,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:14,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:20:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:14,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:14,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:14,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:14,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:14,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:14,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:14,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:14,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:14,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:20:14,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:14,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:14,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:14,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:14,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:14,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:14,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:14,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:14,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:14,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:20:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:14,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:14,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:14,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:14,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:14,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:14,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:14,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:14,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:14,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:20:14,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:14,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:20:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:14,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:14,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:14,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:14,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:14,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:20:14,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:14,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:14,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:14,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:14,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:14,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:14,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:20:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:14,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:14,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:14,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:14,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:14,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:20:14,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:14,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:14,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:14,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:14,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:20:14,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:14,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:14,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:14,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:14,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:14,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:14,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:14,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:14,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:14,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:14,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:14,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:14,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:14,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 07:20:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:14,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:14,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:14,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:14,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:14,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:14,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:14,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:14,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:14,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:14,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:14,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:14,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 07:20:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:14,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:14,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:14,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:14,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:14,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:14,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:14,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:14,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:14,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:14,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:14,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:20:14,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016249379] [2020-10-14 07:20:14,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:20:14,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:20:14,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500689353] [2020-10-14 07:20:14,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:20:14,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:20:14,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:20:14,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:20:14,909 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 5 states. [2020-10-14 07:20:15,270 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:20:16,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:20:16,140 INFO L93 Difference]: Finished difference Result 288 states and 358 transitions. [2020-10-14 07:20:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:20:16,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-10-14 07:20:16,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:20:16,144 INFO L225 Difference]: With dead ends: 288 [2020-10-14 07:20:16,144 INFO L226 Difference]: Without dead ends: 173 [2020-10-14 07:20:16,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:20:16,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-14 07:20:16,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 143. [2020-10-14 07:20:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-14 07:20:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2020-10-14 07:20:16,193 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 64 [2020-10-14 07:20:16,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:20:16,193 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2020-10-14 07:20:16,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:20:16,194 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2020-10-14 07:20:16,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-14 07:20:16,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:20:16,196 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:20:16,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:20:16,197 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:20:16,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:20:16,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1080536843, now seen corresponding path program 1 times [2020-10-14 07:20:16,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:20:16,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651017407] [2020-10-14 07:20:16,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:20:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:16,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:16,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:16,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:17,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:17,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:17,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:18,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:18,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:20,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:20,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 07:20:20,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 07:20:20,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4394 [2020-10-14 07:20:20,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:20,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:20,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:20:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 07:20:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:20:20,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:20,888 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:20:20,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:20,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:20,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:20,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:20,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:20,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 07:20:20,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:20,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:20,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:20,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:20:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:20,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:20,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:20,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:20,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:20,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:20,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:20,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:20,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:20,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:20,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:20:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:20,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:20,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:20,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:20,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:20,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:20,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:20,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:20,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:20,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:20,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:20,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:20,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:20,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:20,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:20,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:20,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:20,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:20,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:20,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:20,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:20:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:20,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:20,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:20,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:20,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:20,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:20,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:20,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:20,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:20:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:20,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:20,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:20,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:20,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:20,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:20,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:20,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:20,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:20,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:20,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:20,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:20,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:20:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:20,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:20,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:20,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:20,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:20,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:20,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:20,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:20,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:20,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:20,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:20,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:20,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:20,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:20,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:20,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:20,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:20,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:20,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:20,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:20,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:20:21,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:20:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:21,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:21,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:21,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 07:20:21,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:21,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:20:21,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:21,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:21,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:20:21,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:20:21,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:20:21,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:21,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:21,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:21,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:21,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:21,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:21,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:20:21,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:21,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:20:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:20:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:20:21,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:21,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:21,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:21,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:21,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:21,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:21,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:21,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:21,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:21,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:21,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:20:21,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:20:21,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 07:20:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:21,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:21,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:21,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:21,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:21,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:21,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:21,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:21,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:21,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 07:20:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:21,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:21,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:21,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:21,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:21,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:21,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:21,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:20:21,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651017407] [2020-10-14 07:20:21,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:20:21,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:20:21,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327711741] [2020-10-14 07:20:21,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:20:21,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:20:21,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:20:21,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:20:21,086 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 7 states. [2020-10-14 07:20:21,620 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:20:23,163 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:20:23,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:20:23,951 INFO L93 Difference]: Finished difference Result 433 states and 561 transitions. [2020-10-14 07:20:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 07:20:23,952 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-10-14 07:20:23,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:20:23,959 INFO L225 Difference]: With dead ends: 433 [2020-10-14 07:20:23,959 INFO L226 Difference]: Without dead ends: 318 [2020-10-14 07:20:23,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-14 07:20:23,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-14 07:20:24,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 257. [2020-10-14 07:20:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-14 07:20:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 306 transitions. [2020-10-14 07:20:24,020 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 306 transitions. Word has length 77 [2020-10-14 07:20:24,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:20:24,020 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 306 transitions. [2020-10-14 07:20:24,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:20:24,021 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 306 transitions. [2020-10-14 07:20:24,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-14 07:20:24,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:20:24,023 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:20:24,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:20:24,023 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:20:24,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:20:24,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1220837886, now seen corresponding path program 1 times [2020-10-14 07:20:24,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:20:24,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1732284766] [2020-10-14 07:20:24,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:20:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:24,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:24,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:24,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:24,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:24,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:25,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 07:20:29,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:20:29,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 07:20:29,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 07:20:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:20:29,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:29,300 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:20:29,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:29,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 07:20:29,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:29,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:29,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:20:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:29,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:29,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:29,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:20:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:29,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:29,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:29,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:29,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:29,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:29,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:29,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:20:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:29,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:29,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:29,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:20:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:29,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:29,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:29,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 07:20:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:29,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:20:29,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 07:20:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:29,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:29,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:20:29,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:29,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 07:20:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:20:29,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:20:29,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 07:20:29,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:29,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:20:29,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:20:29,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:29,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:29,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:20:29,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:20:29,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:29,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:20:29,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:29,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:29,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:20:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:29,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:29,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:29,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 07:20:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:29,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:29,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:29,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:29,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 07:20:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:29,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:29,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:29,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:29,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:29,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:29,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:29,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:29,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:20:29,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1732284766] [2020-10-14 07:20:29,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:20:29,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 07:20:29,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125159181] [2020-10-14 07:20:29,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:20:29,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:20:29,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:20:29,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:20:29,472 INFO L87 Difference]: Start difference. First operand 257 states and 306 transitions. Second operand 6 states. [2020-10-14 07:20:29,921 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:20:30,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:20:30,885 INFO L93 Difference]: Finished difference Result 457 states and 546 transitions. [2020-10-14 07:20:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:20:30,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2020-10-14 07:20:30,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:20:30,890 INFO L225 Difference]: With dead ends: 457 [2020-10-14 07:20:30,890 INFO L226 Difference]: Without dead ends: 264 [2020-10-14 07:20:30,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:20:30,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-10-14 07:20:30,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 227. [2020-10-14 07:20:30,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-14 07:20:30,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2020-10-14 07:20:30,949 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 87 [2020-10-14 07:20:30,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:20:30,950 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2020-10-14 07:20:30,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:20:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2020-10-14 07:20:30,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 07:20:30,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:20:30,952 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:20:30,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:20:30,952 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:20:30,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:20:30,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1912690952, now seen corresponding path program 1 times [2020-10-14 07:20:30,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:20:30,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193006100] [2020-10-14 07:20:30,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:20:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:30,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:31,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:31,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:31,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:32,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 07:20:33,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:20:33,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2446 [2020-10-14 07:20:33,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:20:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 07:20:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:20:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:33,735 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:20:33,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:33,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 07:20:33,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:33,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:20:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:33,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:33,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:33,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:20:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:33,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:33,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:33,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:33,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:33,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:33,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:33,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:33,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:33,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:33,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:20:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:33,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:33,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:33,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:33,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:20:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:33,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:33,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:33,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:33,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:20:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:33,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:33,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:33,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:33,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:33,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:33,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:33,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:33,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:33,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:33,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:20:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:20:33,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:20:33,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:20:33,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:33,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:20:33,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:33,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:20:33,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:20:33,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:20:33,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:33,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:20:33,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:20:33,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:33,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 07:20:33,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:33,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:20:33,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:33,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:33,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:33,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:33,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:20:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:33,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:33,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:33,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:20:33,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:33,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 07:20:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:33,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:33,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:33,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:33,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:33,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 07:20:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:33,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:33,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:33,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:33,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:33,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:20:33,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:33,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:33,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:20:33,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:33,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:33,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 07:20:33,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193006100] [2020-10-14 07:20:33,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:20:33,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 07:20:33,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482281351] [2020-10-14 07:20:33,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:20:33,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:20:33,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:20:33,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:20:33,979 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 9 states. [2020-10-14 07:20:34,381 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:20:35,097 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:20:36,022 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:20:36,309 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:20:36,760 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:20:37,015 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-14 07:20:37,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:20:37,493 INFO L93 Difference]: Finished difference Result 468 states and 564 transitions. [2020-10-14 07:20:37,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 07:20:37,494 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-10-14 07:20:37,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:20:37,497 INFO L225 Difference]: With dead ends: 468 [2020-10-14 07:20:37,497 INFO L226 Difference]: Without dead ends: 269 [2020-10-14 07:20:37,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-14 07:20:37,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-14 07:20:37,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 226. [2020-10-14 07:20:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-14 07:20:37,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 256 transitions. [2020-10-14 07:20:37,542 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 256 transitions. Word has length 91 [2020-10-14 07:20:37,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:20:37,543 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 256 transitions. [2020-10-14 07:20:37,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:20:37,543 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 256 transitions. [2020-10-14 07:20:37,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-14 07:20:37,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:20:37,545 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:20:37,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:20:37,545 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:20:37,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:20:37,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1624249196, now seen corresponding path program 1 times [2020-10-14 07:20:37,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:20:37,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837147635] [2020-10-14 07:20:37,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:20:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:37,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:37,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:37,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-14 07:20:37,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:37,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-14 07:20:37,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:37,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:37,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:20:37,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-14 07:20:37,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:20:37,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:38,110 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:20:38,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:38,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:20:38,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:38,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:20:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:38,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:38,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:38,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:20:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:38,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:38,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:38,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:38,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:38,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:20:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:38,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:38,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:38,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:20:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:38,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:38,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:38,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:20:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:38,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:38,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:38,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:38,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:38,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:38,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:20:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:20:38,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:20:38,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:20:38,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 07:20:38,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:20:38,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:38,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 07:20:38,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:20:38,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:20:38,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 07:20:38,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:20:38,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:38,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:20:38,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:20:38,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:20:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:20:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:38,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:20:38,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:20:38,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:38,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:20:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 07:20:38,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:20:38,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 07:20:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:38,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:20:38,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:38,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:38,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:38,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:38,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:38,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:38,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:38,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:38,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:38,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 07:20:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:38,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:38,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:38,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 07:20:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:38,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:38,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:38,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:38,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:38,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:38,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:38,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:20:38,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837147635] [2020-10-14 07:20:38,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:20:38,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 07:20:38,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44799689] [2020-10-14 07:20:38,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:20:38,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:20:38,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:20:38,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:20:38,391 INFO L87 Difference]: Start difference. First operand 226 states and 256 transitions. Second operand 9 states. [2020-10-14 07:20:39,530 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:20:39,777 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:20:40,033 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:20:40,292 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:20:41,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:20:41,111 INFO L93 Difference]: Finished difference Result 468 states and 567 transitions. [2020-10-14 07:20:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:20:41,111 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-10-14 07:20:41,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:20:41,114 INFO L225 Difference]: With dead ends: 468 [2020-10-14 07:20:41,115 INFO L226 Difference]: Without dead ends: 270 [2020-10-14 07:20:41,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:20:41,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-14 07:20:41,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 231. [2020-10-14 07:20:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-14 07:20:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 261 transitions. [2020-10-14 07:20:41,151 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 261 transitions. Word has length 107 [2020-10-14 07:20:41,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:20:41,152 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 261 transitions. [2020-10-14 07:20:41,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:20:41,152 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 261 transitions. [2020-10-14 07:20:41,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-14 07:20:41,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:20:41,153 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:20:41,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:20:41,154 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:20:41,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:20:41,154 INFO L82 PathProgramCache]: Analyzing trace with hash 304023506, now seen corresponding path program 1 times [2020-10-14 07:20:41,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:20:41,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577511791] [2020-10-14 07:20:41,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:20:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-14 07:20:41,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-14 07:20:41,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:20:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 07:20:41,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:41,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:41,649 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:20:41,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:41,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 07:20:41,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:41,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:20:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:41,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:41,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:41,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:20:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:41,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:41,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:41,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:41,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:41,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:41,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:20:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:41,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:41,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:41,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:20:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:41,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:41,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:41,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:20:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:41,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:20:41,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:41,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:41,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:41,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:41,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:20:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:20:41,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 07:20:41,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:20:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 07:20:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:41,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 07:20:41,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 07:20:41,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:20:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:20:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:41,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:41,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:20:41,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:20:41,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:20:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:20:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:41,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:41,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:20:41,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:41,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:20:41,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:41,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:41,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:20:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 07:20:41,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:20:41,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 07:20:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:41,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:20:41,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:20:41,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:20:41,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:41,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:41,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:41,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:41,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:41,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:20:41,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 07:20:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:41,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:41,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:20:41,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 07:20:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:41,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:41,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:41,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:41,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:41,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:41,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:41,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:41,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:41,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:20:42,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577511791] [2020-10-14 07:20:42,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:20:42,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:20:42,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193686993] [2020-10-14 07:20:42,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:20:42,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:20:42,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:20:42,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:20:42,017 INFO L87 Difference]: Start difference. First operand 231 states and 261 transitions. Second operand 8 states. [2020-10-14 07:20:43,057 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:20:43,302 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:20:43,533 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:20:44,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:20:44,187 INFO L93 Difference]: Finished difference Result 475 states and 575 transitions. [2020-10-14 07:20:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 07:20:44,189 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-10-14 07:20:44,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:20:44,192 INFO L225 Difference]: With dead ends: 475 [2020-10-14 07:20:44,192 INFO L226 Difference]: Without dead ends: 272 [2020-10-14 07:20:44,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:20:44,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-14 07:20:44,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 235. [2020-10-14 07:20:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-14 07:20:44,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 265 transitions. [2020-10-14 07:20:44,256 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 265 transitions. Word has length 107 [2020-10-14 07:20:44,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:20:44,256 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 265 transitions. [2020-10-14 07:20:44,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:20:44,256 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 265 transitions. [2020-10-14 07:20:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-14 07:20:44,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:20:44,259 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:20:44,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:20:44,260 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:20:44,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:20:44,260 INFO L82 PathProgramCache]: Analyzing trace with hash 63483377, now seen corresponding path program 1 times [2020-10-14 07:20:44,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:20:44,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223851759] [2020-10-14 07:20:44,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:20:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:44,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:44,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:44,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-14 07:20:44,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:44,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-14 07:20:44,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:44,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:20:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 07:20:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:44,995 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:20:44,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:45,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 07:20:45,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:20:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:45,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:20:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:45,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:45,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:20:45,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:20:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:45,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:45,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:20:45,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:45,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:45,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:45,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:20:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:45,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:45,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:20:45,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:20:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:45,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:45,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:45,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:45,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:20:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:45,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:20:45,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:20:45,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:45,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:45,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:45,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:20:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:20:45,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:20:45,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 07:20:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:20:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 07:20:45,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:20:45,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:20:45,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:20:45,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:20:45,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:20:45,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:20:45,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:45,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:20:45,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:45,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:20:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 07:20:45,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:20:45,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:20:45,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:45,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:20:45,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:45,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:45,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:45,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:45,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:45,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:45,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:45,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:45,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:45,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:45,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:45,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:45,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 07:20:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:45,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:45,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:45,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 07:20:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:45,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:45,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:45,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:45,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:45,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:45,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:45,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:45,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:20:45,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223851759] [2020-10-14 07:20:45,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:20:45,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:20:45,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927520127] [2020-10-14 07:20:45,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:20:45,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:20:45,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:20:45,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:20:45,259 INFO L87 Difference]: Start difference. First operand 235 states and 265 transitions. Second operand 8 states. [2020-10-14 07:20:45,675 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:20:46,176 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:20:47,876 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:20:48,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:20:48,712 INFO L93 Difference]: Finished difference Result 781 states and 980 transitions. [2020-10-14 07:20:48,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 07:20:48,713 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-10-14 07:20:48,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:20:48,718 INFO L225 Difference]: With dead ends: 781 [2020-10-14 07:20:48,718 INFO L226 Difference]: Without dead ends: 574 [2020-10-14 07:20:48,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-14 07:20:48,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-10-14 07:20:48,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 533. [2020-10-14 07:20:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-10-14 07:20:48,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 629 transitions. [2020-10-14 07:20:48,816 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 629 transitions. Word has length 107 [2020-10-14 07:20:48,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:20:48,816 INFO L479 AbstractCegarLoop]: Abstraction has 533 states and 629 transitions. [2020-10-14 07:20:48,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:20:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 629 transitions. [2020-10-14 07:20:48,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-14 07:20:48,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:20:48,818 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:20:48,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 07:20:48,818 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:20:48,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:20:48,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1148604343, now seen corresponding path program 1 times [2020-10-14 07:20:48,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:20:48,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287567189] [2020-10-14 07:20:48,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:20:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:48,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:49,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 07:20:50,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:20:50,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1245 [2020-10-14 07:20:50,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:20:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 07:20:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 07:20:50,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,448 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:20:50,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:50,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 07:20:50,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:50,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:50,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:20:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:50,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:50,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:50,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:50,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:20:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:50,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:50,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:50,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:50,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:50,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:50,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:50,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:20:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:50,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:50,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:50,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:20:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:50,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:50,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:50,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:50,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:20:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:50,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:20:50,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:50,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:20:50,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 07:20:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:50,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:20:50,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:50,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:20:50,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:50,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:50,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:50,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 07:20:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:20:50,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:20:50,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:20:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 07:20:50,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 07:20:50,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:20:50,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:20:50,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:50,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:20:50,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:20:50,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:50,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:20:50,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:20:50,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:50,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:20:50,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:50,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:20:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 07:20:50,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:20:50,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:20:50,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:50,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:20:50,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:50,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:50,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:50,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:50,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:50,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:50,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:50,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:50,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:50,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:50,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 07:20:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:50,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:20:50,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:20:50,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:50,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:20:50,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:50,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 07:20:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:50,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:50,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:50,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:50,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:50,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:50,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:50,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:20:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:50,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:20:50,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287567189] [2020-10-14 07:20:50,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:20:50,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 07:20:50,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423596775] [2020-10-14 07:20:50,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 07:20:50,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:20:50,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 07:20:50,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:20:50,691 INFO L87 Difference]: Start difference. First operand 533 states and 629 transitions. Second operand 12 states. [2020-10-14 07:20:51,101 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:20:51,944 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:20:52,518 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:20:52,837 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:20:53,109 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:20:53,429 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:20:53,669 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:20:55,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:20:55,046 INFO L93 Difference]: Finished difference Result 1045 states and 1286 transitions. [2020-10-14 07:20:55,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 07:20:55,047 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-10-14 07:20:55,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:20:55,053 INFO L225 Difference]: With dead ends: 1045 [2020-10-14 07:20:55,054 INFO L226 Difference]: Without dead ends: 610 [2020-10-14 07:20:55,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2020-10-14 07:20:55,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-10-14 07:20:55,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 534. [2020-10-14 07:20:55,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-14 07:20:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 628 transitions. [2020-10-14 07:20:55,182 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 628 transitions. Word has length 111 [2020-10-14 07:20:55,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:20:55,184 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 628 transitions. [2020-10-14 07:20:55,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 07:20:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 628 transitions. [2020-10-14 07:20:55,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-14 07:20:55,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:20:55,188 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:20:55,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 07:20:55,188 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:20:55,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:20:55,188 INFO L82 PathProgramCache]: Analyzing trace with hash 490171745, now seen corresponding path program 1 times [2020-10-14 07:20:55,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:20:55,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793798582] [2020-10-14 07:20:55,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:20:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:55,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:55,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:55,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:56,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:57,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-14 07:20:59,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:20:59,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4240 [2020-10-14 07:20:59,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:20:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-14 07:20:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 07:20:59,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:59,702 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:20:59,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:59,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:20:59,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:59,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:20:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:59,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:59,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:59,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:20:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:59,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:59,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:59,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:59,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:59,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:59,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:20:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:20:59,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:59,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:59,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:20:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:59,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:59,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:59,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:20:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:59,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:59,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:59,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 07:20:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-14 07:20:59,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 07:20:59,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:59,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 07:20:59,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:59,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:59,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:59,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:59,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:59,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:59,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:59,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:20:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:20:59,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:20:59,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 07:20:59,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:59,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 07:20:59,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:20:59,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:59,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:20:59,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:59,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:20:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:20:59,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:20:59,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:59,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:20:59,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:59,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:59,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:20:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 07:20:59,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:20:59,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:59,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:20:59,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:59,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:20:59,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:59,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:59,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:59,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:20:59,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:59,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:20:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:59,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:59,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:59,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:20:59,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:59,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 07:20:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 07:20:59,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:20:59,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:20:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:20:59,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:20:59,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:20:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:59,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:59,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:20:59,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:20:59,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:59,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 07:20:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:20:59,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:20:59,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:20:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:20:59,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:20:59,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:20:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:20:59,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:20:59,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:20:59,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:20:59,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:20:59,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:20:59,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:20:59,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:20:59,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:20:59,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:20:59,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:20:59,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:21:00,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 07:21:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:00,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:00,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:00,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:00,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:00,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:00,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:00,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:00,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:00,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:00,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:00,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:00,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 07:21:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:00,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:00,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:00,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 07:21:00,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:00,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:21:00,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:00,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:00,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:00,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:00,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 07:21:00,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:00,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:00,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:00,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:21:00,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:00,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:00,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:00,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:00,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:00,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:00,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:00,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:00,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:21:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:00,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:00,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:00,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:00,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:00,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:00,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:00,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:00,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:00,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:00,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:00,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:00,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 07:21:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:00,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:00,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:00,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:21:00,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:00,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:00,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:00,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:00,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:00,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:00,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:00,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:00,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:00,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:00,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:00,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:00,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:00,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:00,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:00,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:00,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:00,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:00,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 07:21:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:00,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:00,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:00,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:00,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:00,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:00,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:00,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:00,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:00,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:00,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-14 07:21:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:00,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:00,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:00,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:00,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:00,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:00,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:00,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:00,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-14 07:21:00,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793798582] [2020-10-14 07:21:00,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:21:00,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 07:21:00,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763790428] [2020-10-14 07:21:00,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 07:21:00,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:21:00,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 07:21:00,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:21:00,099 INFO L87 Difference]: Start difference. First operand 534 states and 628 transitions. Second operand 12 states. [2020-10-14 07:21:00,568 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:21:01,198 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:21:01,453 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:21:02,087 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:21:02,643 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:21:03,027 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:21:03,412 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:21:03,655 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:21:04,147 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-10-14 07:21:04,688 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:21:05,050 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:21:05,605 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-10-14 07:21:06,307 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:21:06,758 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-10-14 07:21:07,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:21:07,158 INFO L93 Difference]: Finished difference Result 1111 states and 1348 transitions. [2020-10-14 07:21:07,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-14 07:21:07,164 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 170 [2020-10-14 07:21:07,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:21:07,165 INFO L225 Difference]: With dead ends: 1111 [2020-10-14 07:21:07,165 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:21:07,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=500, Invalid=1480, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 07:21:07,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:21:07,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:21:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:21:07,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:21:07,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2020-10-14 07:21:07,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:21:07,170 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:21:07,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 07:21:07,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:21:07,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:21:07,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 07:21:07,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:21:08,993 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 247 [2020-10-14 07:21:10,355 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 250 [2020-10-14 07:21:11,218 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 236 [2020-10-14 07:21:12,969 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 236 [2020-10-14 07:21:13,327 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-10-14 07:21:14,168 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 23 [2020-10-14 07:21:14,307 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-14 07:21:14,488 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-14 07:21:14,659 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-10-14 07:21:14,871 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-10-14 07:21:15,063 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-14 07:21:15,836 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 41 [2020-10-14 07:21:16,443 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-10-14 07:21:16,626 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-14 07:21:16,832 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-14 07:21:17,561 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2020-10-14 07:21:17,767 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-10-14 07:21:17,937 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-10-14 07:21:18,126 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-10-14 07:21:18,822 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 26 [2020-10-14 07:21:19,033 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:21:19,778 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 38 [2020-10-14 07:21:19,944 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-10-14 07:21:21,270 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 197 DAG size of output: 37 [2020-10-14 07:21:21,897 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 38 [2020-10-14 07:21:22,069 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-10-14 07:21:23,295 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 184 DAG size of output: 32 [2020-10-14 07:21:23,896 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 23 [2020-10-14 07:21:24,186 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2020-10-14 07:21:24,377 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-10-14 07:21:25,440 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 178 DAG size of output: 30 [2020-10-14 07:21:25,651 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-14 07:21:26,885 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 185 DAG size of output: 30 [2020-10-14 07:21:27,170 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-10-14 07:21:27,590 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-10-14 07:21:28,181 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-10-14 07:21:29,094 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 23 [2020-10-14 07:21:29,653 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-10-14 07:21:30,249 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 23 [2020-10-14 07:21:30,430 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-14 07:21:30,622 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-14 07:21:30,800 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-14 07:21:30,989 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-10-14 07:21:31,181 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-14 07:21:31,416 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-14 07:21:31,611 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-14 07:21:31,809 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-14 07:21:31,975 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-14 07:21:32,186 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-14 07:21:32,825 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 38 [2020-10-14 07:21:33,427 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-10-14 07:21:33,989 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-14 07:21:34,591 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-10-14 07:21:34,597 INFO L268 CegarLoopResult]: For program point L227-2(lines 227 248) no Hoare annotation was computed. [2020-10-14 07:21:34,597 INFO L268 CegarLoopResult]: For program point L249(lines 226 250) no Hoare annotation was computed. [2020-10-14 07:21:34,597 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 202 257) no Hoare annotation was computed. [2020-10-14 07:21:34,597 INFO L268 CegarLoopResult]: For program point L233(lines 233 237) no Hoare annotation was computed. [2020-10-14 07:21:34,598 INFO L268 CegarLoopResult]: For program point L233-1(lines 233 237) no Hoare annotation was computed. [2020-10-14 07:21:34,598 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 202 257) no Hoare annotation was computed. [2020-10-14 07:21:34,598 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-10-14 07:21:34,598 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 202 257) no Hoare annotation was computed. [2020-10-14 07:21:34,598 INFO L268 CegarLoopResult]: For program point L290-1(lines 290 294) no Hoare annotation was computed. [2020-10-14 07:21:34,598 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-10-14 07:21:34,599 INFO L268 CegarLoopResult]: For program point L284-2(lines 284 309) no Hoare annotation was computed. [2020-10-14 07:21:34,599 INFO L268 CegarLoopResult]: For program point L310(lines 283 311) no Hoare annotation was computed. [2020-10-14 07:21:34,599 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 258 317) no Hoare annotation was computed. [2020-10-14 07:21:34,599 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-10-14 07:21:34,599 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 258 317) no Hoare annotation was computed. [2020-10-14 07:21:34,599 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-10-14 07:21:34,599 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 258 317) no Hoare annotation was computed. [2020-10-14 07:21:34,599 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-10-14 07:21:34,600 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2020-10-14 07:21:34,600 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2020-10-14 07:21:34,600 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2020-10-14 07:21:34,600 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2020-10-14 07:21:34,600 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2020-10-14 07:21:34,601 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 518 525) the Hoare annotation is: (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-10-14 07:21:34,601 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 518 525) no Hoare annotation was computed. [2020-10-14 07:21:34,601 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 518 525) no Hoare annotation was computed. [2020-10-14 07:21:34,601 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 526 535) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~waterLevel~0 1)) .cse5 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse6))) [2020-10-14 07:21:34,601 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 526 535) no Hoare annotation was computed. [2020-10-14 07:21:34,601 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 526 535) no Hoare annotation was computed. [2020-10-14 07:21:34,601 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-14 07:21:34,602 INFO L268 CegarLoopResult]: For program point L546-1(line 546) no Hoare annotation was computed. [2020-10-14 07:21:34,602 INFO L268 CegarLoopResult]: For program point L544(lines 544 561) no Hoare annotation was computed. [2020-10-14 07:21:34,602 INFO L268 CegarLoopResult]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2020-10-14 07:21:34,602 INFO L271 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: true [2020-10-14 07:21:34,602 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-10-14 07:21:34,602 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 536 564) the Hoare annotation is: true [2020-10-14 07:21:34,602 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 536 564) no Hoare annotation was computed. [2020-10-14 07:21:34,602 INFO L264 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse3 .cse1 (not (<= ~waterLevel~0 1)) .cse2))) [2020-10-14 07:21:34,603 INFO L268 CegarLoopResult]: For program point L549(lines 549 555) no Hoare annotation was computed. [2020-10-14 07:21:34,603 INFO L268 CegarLoopResult]: For program point L548(lines 548 558) no Hoare annotation was computed. [2020-10-14 07:21:34,603 INFO L264 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2020-10-14 07:21:34,603 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 945 967) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:21:34,603 INFO L264 CegarLoopResult]: At program point L957(line 957) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:21:34,603 INFO L264 CegarLoopResult]: At program point L957-1(line 957) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:21:34,604 INFO L268 CegarLoopResult]: For program point L955(lines 955 962) no Hoare annotation was computed. [2020-10-14 07:21:34,604 INFO L268 CegarLoopResult]: For program point L955-1(lines 955 962) no Hoare annotation was computed. [2020-10-14 07:21:34,604 INFO L268 CegarLoopResult]: For program point L953(line 953) no Hoare annotation was computed. [2020-10-14 07:21:34,604 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 945 967) no Hoare annotation was computed. [2020-10-14 07:21:34,604 INFO L264 CegarLoopResult]: At program point L952(line 952) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:21:34,604 INFO L264 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:21:34,604 INFO L264 CegarLoopResult]: At program point L951-1(line 951) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:21:34,604 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 945 967) no Hoare annotation was computed. [2020-10-14 07:21:34,605 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 903 926) no Hoare annotation was computed. [2020-10-14 07:21:34,605 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 903 926) no Hoare annotation was computed. [2020-10-14 07:21:34,605 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 903 926) no Hoare annotation was computed. [2020-10-14 07:21:34,605 INFO L268 CegarLoopResult]: For program point L921(line 921) no Hoare annotation was computed. [2020-10-14 07:21:34,605 INFO L268 CegarLoopResult]: For program point L920(line 920) no Hoare annotation was computed. [2020-10-14 07:21:34,605 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-10-14 07:21:34,605 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-10-14 07:21:34,605 INFO L268 CegarLoopResult]: For program point L917(line 917) no Hoare annotation was computed. [2020-10-14 07:21:34,605 INFO L268 CegarLoopResult]: For program point L916(line 916) no Hoare annotation was computed. [2020-10-14 07:21:34,605 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-10-14 07:21:34,606 INFO L268 CegarLoopResult]: For program point L914(line 914) no Hoare annotation was computed. [2020-10-14 07:21:34,606 INFO L268 CegarLoopResult]: For program point L913(line 913) no Hoare annotation was computed. [2020-10-14 07:21:34,606 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-10-14 07:21:34,606 INFO L268 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-10-14 07:21:34,606 INFO L268 CegarLoopResult]: For program point L910(line 910) no Hoare annotation was computed. [2020-10-14 07:21:34,606 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-10-14 07:21:34,606 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-10-14 07:21:34,606 INFO L264 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2020-10-14 07:21:34,606 INFO L268 CegarLoopResult]: For program point L627-1(lines 608 632) no Hoare annotation was computed. [2020-10-14 07:21:34,607 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 608 632) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 .cse3))) [2020-10-14 07:21:34,607 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or (and (<= processEnvironment__wrappee__methaneQuery_~tmp~4 0) (<= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-14 07:21:34,607 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 608 632) no Hoare annotation was computed. [2020-10-14 07:21:34,607 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0)) .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2020-10-14 07:21:34,607 INFO L268 CegarLoopResult]: For program point L616(lines 616 624) no Hoare annotation was computed. [2020-10-14 07:21:34,607 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2020-10-14 07:21:34,608 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-14 07:21:34,608 INFO L268 CegarLoopResult]: For program point L612(lines 612 629) no Hoare annotation was computed. [2020-10-14 07:21:34,608 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 703 711) no Hoare annotation was computed. [2020-10-14 07:21:34,608 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 703 711) the Hoare annotation is: true [2020-10-14 07:21:34,608 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 703 711) no Hoare annotation was computed. [2020-10-14 07:21:34,608 INFO L268 CegarLoopResult]: For program point L731(lines 731 739) no Hoare annotation was computed. [2020-10-14 07:21:34,608 INFO L268 CegarLoopResult]: For program point L731-2(lines 731 739) no Hoare annotation was computed. [2020-10-14 07:21:34,608 INFO L268 CegarLoopResult]: For program point L719(lines 719 727) no Hoare annotation was computed. [2020-10-14 07:21:34,608 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 712 747) no Hoare annotation was computed. [2020-10-14 07:21:34,609 INFO L268 CegarLoopResult]: For program point L719-2(lines 719 727) no Hoare annotation was computed. [2020-10-14 07:21:34,609 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 712 747) no Hoare annotation was computed. [2020-10-14 07:21:34,609 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-10-14 07:21:34,609 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-10-14 07:21:34,609 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 712 747) no Hoare annotation was computed. [2020-10-14 07:21:34,609 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2020-10-14 07:21:34,609 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2020-10-14 07:21:34,609 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 156 201) no Hoare annotation was computed. [2020-10-14 07:21:34,610 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 156 201) no Hoare annotation was computed. [2020-10-14 07:21:34,610 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 156 201) no Hoare annotation was computed. [2020-10-14 07:21:34,610 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 469 514) no Hoare annotation was computed. [2020-10-14 07:21:34,610 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 469 514) no Hoare annotation was computed. [2020-10-14 07:21:34,610 INFO L268 CegarLoopResult]: For program point L489(lines 489 496) no Hoare annotation was computed. [2020-10-14 07:21:34,610 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 469 514) no Hoare annotation was computed. [2020-10-14 07:21:34,610 INFO L268 CegarLoopResult]: For program point L483(lines 483 503) no Hoare annotation was computed. [2020-10-14 07:21:34,610 INFO L268 CegarLoopResult]: For program point L483-1(lines 483 503) no Hoare annotation was computed. [2020-10-14 07:21:34,611 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 934 944) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:21:34,611 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2020-10-14 07:21:34,611 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 934 944) no Hoare annotation was computed. [2020-10-14 07:21:34,611 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 934 944) no Hoare annotation was computed. [2020-10-14 07:21:34,611 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 692 702) the Hoare annotation is: true [2020-10-14 07:21:34,611 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 692 702) no Hoare annotation was computed. [2020-10-14 07:21:34,611 INFO L271 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: true [2020-10-14 07:21:34,611 INFO L268 CegarLoopResult]: For program point L697-1(line 697) no Hoare annotation was computed. [2020-10-14 07:21:34,612 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 692 702) no Hoare annotation was computed. [2020-10-14 07:21:34,612 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 684 691) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-14 07:21:34,612 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2020-10-14 07:21:34,612 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2020-10-14 07:21:34,612 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-10-14 07:21:34,612 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-10-14 07:21:34,612 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-10-14 07:21:34,612 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-10-14 07:21:34,613 INFO L264 CegarLoopResult]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2020-10-14 07:21:34,613 INFO L268 CegarLoopResult]: For program point L640-1(line 640) no Hoare annotation was computed. [2020-10-14 07:21:34,613 INFO L268 CegarLoopResult]: For program point L638(lines 638 655) no Hoare annotation was computed. [2020-10-14 07:21:34,613 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 634 658) no Hoare annotation was computed. [2020-10-14 07:21:34,613 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 634 658) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 .cse3))) [2020-10-14 07:21:34,613 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2020-10-14 07:21:34,613 INFO L268 CegarLoopResult]: For program point L653-1(lines 634 658) no Hoare annotation was computed. [2020-10-14 07:21:34,613 INFO L264 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2020-10-14 07:21:34,613 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2020-10-14 07:21:34,613 INFO L268 CegarLoopResult]: For program point L642(lines 642 650) no Hoare annotation was computed. [2020-10-14 07:21:34,613 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 600 606) no Hoare annotation was computed. [2020-10-14 07:21:34,614 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 600 606) the Hoare annotation is: true [2020-10-14 07:21:34,614 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (< 1 ~waterLevel~0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse5 .cse7) (and .cse6 .cse0 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse5 .cse7) (not .cse1))) [2020-10-14 07:21:34,614 INFO L264 CegarLoopResult]: At program point testENTRY(lines 769 832) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:21:34,614 INFO L268 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2020-10-14 07:21:34,614 INFO L268 CegarLoopResult]: For program point L799-1(lines 799 805) no Hoare annotation was computed. [2020-10-14 07:21:34,614 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 0 ~pumpRunning~0)) (.cse5 (<= ~pumpRunning~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (< 1 ~waterLevel~0) .cse2) (and .cse1 .cse4 .cse2 .cse5 .cse3) (not (= 1 ~systemActive~0)) (and (= ~waterLevel~0 1) .cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse5))) [2020-10-14 07:21:34,614 INFO L268 CegarLoopResult]: For program point testFINAL(lines 769 832) no Hoare annotation was computed. [2020-10-14 07:21:34,614 INFO L264 CegarLoopResult]: At program point L822(lines 779 824) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 0 ~pumpRunning~0)) (.cse5 (<= ~pumpRunning~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (< 1 ~waterLevel~0) .cse2) (and .cse1 .cse4 .cse2 .cse5 .cse3) (not (= 1 ~systemActive~0)) (and (= ~waterLevel~0 1) .cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse5))) [2020-10-14 07:21:34,614 INFO L268 CegarLoopResult]: For program point L789(lines 789 795) no Hoare annotation was computed. [2020-10-14 07:21:34,614 INFO L268 CegarLoopResult]: For program point L789-1(lines 789 795) no Hoare annotation was computed. [2020-10-14 07:21:34,614 INFO L268 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-10-14 07:21:34,615 INFO L264 CegarLoopResult]: At program point L825(lines 778 826) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:21:34,615 INFO L268 CegarLoopResult]: For program point L815(lines 815 819) no Hoare annotation was computed. [2020-10-14 07:21:34,615 INFO L264 CegarLoopResult]: At program point L815-2(lines 809 820) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse5 .cse7) (and .cse6 .cse0 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse5 .cse7) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (not .cse1))) [2020-10-14 07:21:34,615 INFO L268 CegarLoopResult]: For program point L780(lines 779 824) no Hoare annotation was computed. [2020-10-14 07:21:34,615 INFO L268 CegarLoopResult]: For program point L809(lines 809 820) no Hoare annotation was computed. [2020-10-14 07:21:34,615 INFO L268 CegarLoopResult]: For program point testEXIT(lines 769 832) no Hoare annotation was computed. [2020-10-14 07:21:34,615 INFO L268 CegarLoopResult]: For program point L443(lines 443 450) no Hoare annotation was computed. [2020-10-14 07:21:34,615 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 423 468) no Hoare annotation was computed. [2020-10-14 07:21:34,615 INFO L268 CegarLoopResult]: For program point L437(lines 437 457) no Hoare annotation was computed. [2020-10-14 07:21:34,615 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 423 468) no Hoare annotation was computed. [2020-10-14 07:21:34,615 INFO L268 CegarLoopResult]: For program point L437-1(lines 437 457) no Hoare annotation was computed. [2020-10-14 07:21:34,616 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 423 468) no Hoare annotation was computed. [2020-10-14 07:21:34,616 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 659 666) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-10-14 07:21:34,616 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 659 666) no Hoare annotation was computed. [2020-10-14 07:21:34,616 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 659 666) no Hoare annotation was computed. [2020-10-14 07:21:34,616 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-10-14 07:21:34,616 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-10-14 07:21:34,616 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-10-14 07:21:34,616 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-10-14 07:21:34,617 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-10-14 07:21:34,617 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 320 422) no Hoare annotation was computed. [2020-10-14 07:21:34,617 INFO L268 CegarLoopResult]: For program point L349(lines 349 365) no Hoare annotation was computed. [2020-10-14 07:21:34,617 INFO L268 CegarLoopResult]: For program point L409(lines 409 416) no Hoare annotation was computed. [2020-10-14 07:21:34,617 INFO L268 CegarLoopResult]: For program point L370(lines 369 389) no Hoare annotation was computed. [2020-10-14 07:21:34,617 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-14 07:21:34,617 INFO L268 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-10-14 07:21:34,617 INFO L268 CegarLoopResult]: For program point L366(lines 366 407) no Hoare annotation was computed. [2020-10-14 07:21:34,617 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 320 422) no Hoare annotation was computed. [2020-10-14 07:21:34,617 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-10-14 07:21:34,617 INFO L268 CegarLoopResult]: For program point L385-1(line 385) no Hoare annotation was computed. [2020-10-14 07:21:34,618 INFO L268 CegarLoopResult]: For program point L344(lines 344 348) no Hoare annotation was computed. [2020-10-14 07:21:34,618 INFO L268 CegarLoopResult]: For program point L408(lines 408 419) no Hoare annotation was computed. [2020-10-14 07:21:34,618 INFO L268 CegarLoopResult]: For program point L371(lines 371 375) no Hoare annotation was computed. [2020-10-14 07:21:34,618 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 320 422) no Hoare annotation was computed. [2020-10-14 07:21:34,618 INFO L268 CegarLoopResult]: For program point L369-2(lines 369 389) no Hoare annotation was computed. [2020-10-14 07:21:34,618 INFO L268 CegarLoopResult]: For program point L390(lines 368 391) no Hoare annotation was computed. [2020-10-14 07:21:34,618 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 838 847) no Hoare annotation was computed. [2020-10-14 07:21:34,618 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 838 847) no Hoare annotation was computed. [2020-10-14 07:21:34,618 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 838 847) no Hoare annotation was computed. [2020-10-14 07:21:34,618 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:21:34,619 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-14 07:21:34,619 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:21:34,619 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-10-14 07:21:34,619 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-10-14 07:21:34,619 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 667 683) no Hoare annotation was computed. [2020-10-14 07:21:34,620 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 667 683) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-10-14 07:21:34,620 INFO L264 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-10-14 07:21:34,620 INFO L268 CegarLoopResult]: For program point L678-1(lines 667 683) no Hoare annotation was computed. [2020-10-14 07:21:34,620 INFO L268 CegarLoopResult]: For program point L674(lines 674 680) no Hoare annotation was computed. [2020-10-14 07:21:34,620 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-10-14 07:21:34,620 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-10-14 07:21:34,620 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-10-14 07:21:34,620 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 748 766) no Hoare annotation was computed. [2020-10-14 07:21:34,621 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 748 766) the Hoare annotation is: true [2020-10-14 07:21:34,621 INFO L268 CegarLoopResult]: For program point L757(lines 757 761) no Hoare annotation was computed. [2020-10-14 07:21:34,621 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 748 766) no Hoare annotation was computed. [2020-10-14 07:21:34,621 INFO L271 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: true [2020-10-14 07:21:34,621 INFO L268 CegarLoopResult]: For program point L757-2(lines 757 761) no Hoare annotation was computed. [2020-10-14 07:21:34,621 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-10-14 07:21:34,621 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-10-14 07:21:34,621 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse5 (not (= ~pumpRunning~0 0))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~waterLevel~0 1)) .cse5 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse3 .cse6) (or .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse6))) [2020-10-14 07:21:34,621 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-10-14 07:21:34,622 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:21:34,622 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:21:34,622 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:21:34,622 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-10-14 07:21:34,622 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-10-14 07:21:34,622 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-10-14 07:21:34,622 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 573 599) the Hoare annotation is: (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse6) (or .cse0 .cse1 .cse3 .cse4 .cse6))) [2020-10-14 07:21:34,623 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (<= ~waterLevel~0 2)) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse10 .cse4))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or (and (<= ~waterLevel~0 1) .cse3 .cse4) .cse5 .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse0) (or .cse7 (and .cse3 .cse8 .cse4) .cse9 .cse6 .cse0) (or .cse7 (and .cse10 (< 1 ~waterLevel~0) .cse8 .cse4) .cse9 .cse0 .cse1) (or .cse7 .cse5 .cse0 .cse1 .cse2)))) [2020-10-14 07:21:34,623 INFO L264 CegarLoopResult]: At program point L587(lines 587 593) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (= 1 ~systemActive~0)) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2))) (let ((.cse6 (and (<= 1 ~pumpRunning~0) .cse15 .cse14 .cse3 .cse4)) (.cse9 (and .cse15 .cse2 .cse5)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (and .cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse5)) (.cse10 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not .cse14)) (.cse13 (and .cse14 .cse8 .cse2 (not (= ~switchedOnBeforeTS~0 0)) .cse4 .cse5))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse8 .cse9) (or .cse0 .cse10 .cse7 .cse6 .cse8 .cse9) (or .cse0 .cse11 .cse1 .cse12 .cse7 .cse13) (or (<= ~waterLevel~0 1) .cse10 .cse12 (not (<= |old(~waterLevel~0)| 1)) .cse7) (or .cse0 .cse11 .cse10 .cse12 .cse7 .cse13)))) [2020-10-14 07:21:34,623 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 573 599) no Hoare annotation was computed. [2020-10-14 07:21:34,623 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 573 599) no Hoare annotation was computed. [2020-10-14 07:21:34,623 INFO L264 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: (let ((.cse4 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse5 .cse6) .cse4 .cse7 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse0 .cse1 .cse7 .cse2 (and .cse5 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2) .cse6)))) [2020-10-14 07:21:34,624 INFO L268 CegarLoopResult]: For program point L580(lines 576 598) no Hoare annotation was computed. [2020-10-14 07:21:34,624 INFO L268 CegarLoopResult]: For program point L578(lines 576 598) no Hoare annotation was computed. [2020-10-14 07:21:34,624 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 873 902) no Hoare annotation was computed. [2020-10-14 07:21:34,624 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-10-14 07:21:34,624 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 873 902) the Hoare annotation is: true [2020-10-14 07:21:34,624 INFO L268 CegarLoopResult]: For program point L887(lines 887 891) no Hoare annotation was computed. [2020-10-14 07:21:34,624 INFO L271 CegarLoopResult]: At program point L887-1(lines 887 891) the Hoare annotation is: true [2020-10-14 07:21:34,624 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-10-14 07:21:34,624 INFO L271 CegarLoopResult]: At program point L883-2(lines 883 897) the Hoare annotation is: true [2020-10-14 07:21:34,624 INFO L271 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: true [2020-10-14 07:21:34,625 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-10-14 07:21:34,625 INFO L271 CegarLoopResult]: At program point L898(lines 873 902) the Hoare annotation is: true [2020-10-14 07:21:34,625 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) [2020-10-14 07:21:34,625 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-10-14 07:21:34,625 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-10-14 07:21:34,625 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 927 933) no Hoare annotation was computed. [2020-10-14 07:21:34,625 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 927 933) the Hoare annotation is: true [2020-10-14 07:21:34,625 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:21:34,625 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2020-10-14 07:21:34,626 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:21:34,626 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:21:34,626 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-10-14 07:21:34,626 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-10-14 07:21:34,626 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or .cse1 .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse5 .cse3))) [2020-10-14 07:21:34,626 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2020-10-14 07:21:34,626 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2020-10-14 07:21:34,626 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2020-10-14 07:21:34,627 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2020-10-14 07:21:34,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:21:34 BoogieIcfgContainer [2020-10-14 07:21:34,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:21:34,649 INFO L168 Benchmark]: Toolchain (without parser) took 91825.99 ms. Allocated memory was 147.8 MB in the beginning and 1.1 GB in the end (delta: 904.4 MB). Free memory was 102.9 MB in the beginning and 182.3 MB in the end (delta: -79.4 MB). Peak memory consumption was 925.8 MB. Max. memory is 7.1 GB. [2020-10-14 07:21:34,649 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 07:21:34,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.79 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.9 MB in the beginning and 170.4 MB in the end (delta: -67.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:21:34,651 INFO L168 Benchmark]: Boogie Preprocessor took 87.48 ms. Allocated memory is still 203.9 MB. Free memory was 170.4 MB in the beginning and 166.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:21:34,651 INFO L168 Benchmark]: RCFGBuilder took 1181.02 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.5 MB in the beginning and 189.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2020-10-14 07:21:34,652 INFO L168 Benchmark]: TraceAbstraction took 89905.83 ms. Allocated memory was 235.4 MB in the beginning and 1.1 GB in the end (delta: 816.8 MB). Free memory was 189.3 MB in the beginning and 182.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 924.6 MB. Max. memory is 7.1 GB. [2020-10-14 07:21:34,655 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.79 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.9 MB in the beginning and 170.4 MB in the end (delta: -67.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.48 ms. Allocated memory is still 203.9 MB. Free memory was 170.4 MB in the beginning and 166.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1181.02 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.5 MB in the beginning and 189.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 89905.83 ms. Allocated memory was 235.4 MB in the beginning and 1.1 GB in the end (delta: 816.8 MB). Free memory was 189.3 MB in the beginning and 182.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 924.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 778]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) <= 0) || !(\old(waterLevel) == 1)) || !(0 <= \old(pumpRunning))) || (((1 <= pumpRunning && splverifierCounter <= 0) && waterLevel <= 2) && pumpRunning <= switchedOnBeforeTS)) || (((1 <= pumpRunning && splverifierCounter <= 0) && 1 < waterLevel) && waterLevel <= 2)) || ((((splverifierCounter <= 0 && 0 <= pumpRunning) && waterLevel <= 2) && pumpRunning <= 0) && pumpRunning <= switchedOnBeforeTS)) || !(1 == systemActive)) || (((((waterLevel == 1 && splverifierCounter <= 0) && switchedOnBeforeTS == \old(switchedOnBeforeTS)) && 0 <= pumpRunning) && \old(methaneLevelCritical) == methaneLevelCritical) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 62.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 30.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1537 SDtfs, 3009 SDslu, 1585 SDs, 0 SdLazy, 6392 SolverSat, 2024 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 532 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 14.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=534occurred 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, 394 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1214 PreInvPairs, 1322 NumberOfFragments, 2364 HoareAnnotationTreeSize, 1214 FomulaSimplifications, 40822488 FormulaSimplificationTreeSizeReduction, 5.9s HoareSimplificationTime, 64 FomulaSimplificationsInter, 642165 FormulaSimplificationTreeSizeReductionInter, 21.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 30.7s InterpolantComputationTime, 980 NumberOfCodeBlocks, 980 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 970 ConstructedInterpolants, 0 QuantifiedInterpolants, 347170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 69/77 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...