/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_spec2_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:37:33,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:37:33,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:37:33,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:37:33,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:37:33,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:37:33,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:37:33,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:37:33,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:37:33,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:37:33,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:37:33,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:37:33,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:37:33,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:37:33,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:37:33,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:37:33,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:37:33,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:37:33,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:37:33,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:37:33,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:37:33,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:37:33,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:37:33,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:37:33,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:37:33,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:37:33,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:37:33,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:37:33,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:37:33,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:37:33,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:37:33,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:37:33,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:37:33,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:37:33,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:37:33,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:37:33,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:37:33,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:37:33,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:37:33,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:37:33,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:37:33,537 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 [2020-10-15 01:37:33,563 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:37:33,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:37:33,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:37:33,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:37:33,564 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:37:33,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:37:33,565 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:37:33,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:37:33,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:37:33,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:37:33,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:37:33,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:37:33,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:37:33,568 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:37:33,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:37:33,569 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:37:33,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:37:33,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:37:33,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:37:33,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:37:33,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:37:33,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:37:33,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:37:33,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:37:33,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:37:33,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:37:33,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:37:33,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:37:33,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:37:33,573 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:37:33,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:37:33,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:37:33,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:37:33,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:37:33,900 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:37:33,901 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-10-15 01:37:33,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9671cc5ae/94dcd3668fd74658ba220948b36f4521/FLAGf6631f1a2 [2020-10-15 01:37:34,468 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:37:34,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-10-15 01:37:34,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9671cc5ae/94dcd3668fd74658ba220948b36f4521/FLAGf6631f1a2 [2020-10-15 01:37:34,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9671cc5ae/94dcd3668fd74658ba220948b36f4521 [2020-10-15 01:37:34,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:37:34,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:37:34,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:37:34,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:37:34,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:37:34,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:37:34" (1/1) ... [2020-10-15 01:37:34,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30847a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:34, skipping insertion in model container [2020-10-15 01:37:34,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:37:34" (1/1) ... [2020-10-15 01:37:34,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:37:34,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:37:35,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:37:35,300 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:37:35,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:37:35,419 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:37:35,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:35 WrapperNode [2020-10-15 01:37:35,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:37:35,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:37:35,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:37:35,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:37:35,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:35" (1/1) ... [2020-10-15 01:37:35,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:35" (1/1) ... [2020-10-15 01:37:35,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:35" (1/1) ... [2020-10-15 01:37:35,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:35" (1/1) ... [2020-10-15 01:37:35,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:35" (1/1) ... [2020-10-15 01:37:35,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:35" (1/1) ... [2020-10-15 01:37:35,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:35" (1/1) ... [2020-10-15 01:37:35,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:37:35,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:37:35,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:37:35,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:37:35,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:35" (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 [2020-10-15 01:37:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:37:35,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:37:35,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:37:35,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:37:35,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:37:35,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:37:35,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:37:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:37:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:37:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:37:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:37:35,583 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:37:35,583 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:37:35,583 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:37:35,583 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-15 01:37:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:37:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:37:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:37:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:37:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:37:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:37:35,585 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:37:35,585 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:37:35,585 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:37:35,585 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:37:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:37:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:37:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:37:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:37:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:37:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:37:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:37:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:37:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:37:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:37:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:37:35,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:37:35,588 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:37:35,588 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:37:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:37:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:37:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:37:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:37:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:37:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:37:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:37:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:37:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:37:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:37:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:37:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:37:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:37:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:37:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:37:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:37:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:37:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:37:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:37:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:37:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:37:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:37:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:37:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:37:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:37:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:37:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:37:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:37:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:37:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:37:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:37:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:37:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:37:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:37:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:37:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-15 01:37:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:37:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:37:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:37:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:37:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:37:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:37:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:37:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:37:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:37:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:37:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:37:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:37:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:37:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:37:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:37:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:37:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:37:36,669 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:37:36,669 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:37:36,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:37:36 BoogieIcfgContainer [2020-10-15 01:37:36,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:37:36,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:37:36,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:37:36,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:37:36,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:37:34" (1/3) ... [2020-10-15 01:37:36,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6f052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:37:36, skipping insertion in model container [2020-10-15 01:37:36,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:35" (2/3) ... [2020-10-15 01:37:36,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6f052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:37:36, skipping insertion in model container [2020-10-15 01:37:36,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:37:36" (3/3) ... [2020-10-15 01:37:36,683 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product41.cil.c [2020-10-15 01:37:36,693 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:37:36,700 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:37:36,714 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:37:36,735 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:37:36,735 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:37:36,735 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:37:36,735 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:37:36,736 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:37:36,736 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:37:36,736 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:37:36,736 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:37:36,758 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-10-15 01:37:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 01:37:36,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:36,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:37:36,769 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:36,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:36,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1966863296, now seen corresponding path program 1 times [2020-10-15 01:37:36,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:36,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294323460] [2020-10-15 01:37:36,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:37,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:37,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:37,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:38,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:38,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:39,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:42,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:42,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 01:37:42,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 01:37:42,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 01:37:42,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:42,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 01:37:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-15 01:37:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 01:37:42,451 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:42,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:42,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:42,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:42,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:42,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:42,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-15 01:37:42,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:42,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:42,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:42,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:42,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:42,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:42,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:42,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:42,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:42,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:42,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:42,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:42,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:42,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:42,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:42,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:42,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:42,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:42,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:42,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:42,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:42,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:42,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:42,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:42,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:42,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:42,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:42,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:42,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:42,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:42,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:42,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:42,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:42,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:42,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:42,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:42,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:42,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:42,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:42,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:42,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:42,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:42,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 01:37:42,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:42,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:42,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:42,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:42,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:42,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:42,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:42,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:42,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:42,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:42,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:42,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:42,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:42,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:42,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:42,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:42,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:42,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:37:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:42,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:42,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:42,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:42,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:42,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:37:42,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:42,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:42,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:42,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:42,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:42,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:42,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:37:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:42,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:42,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:42,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:42,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:42,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:42,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:42,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:42,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:42,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:37:42,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [294323460] [2020-10-15 01:37:42,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:42,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 01:37:42,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100366190] [2020-10-15 01:37:42,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 01:37:42,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:42,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 01:37:42,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:37:42,723 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 8 states. [2020-10-15 01:37:43,176 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:44,331 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-15 01:37:44,627 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:44,879 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:45,305 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-15 01:37:46,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:46,426 INFO L93 Difference]: Finished difference Result 386 states and 513 transitions. [2020-10-15 01:37:46,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 01:37:46,429 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-15 01:37:46,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:46,445 INFO L225 Difference]: With dead ends: 386 [2020-10-15 01:37:46,445 INFO L226 Difference]: Without dead ends: 244 [2020-10-15 01:37:46,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-15 01:37:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-15 01:37:46,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 197. [2020-10-15 01:37:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-15 01:37:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 234 transitions. [2020-10-15 01:37:46,560 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 234 transitions. Word has length 51 [2020-10-15 01:37:46,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:46,561 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 234 transitions. [2020-10-15 01:37:46,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 01:37:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 234 transitions. [2020-10-15 01:37:46,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-15 01:37:46,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:46,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:37:46,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:37:46,565 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:46,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:46,566 INFO L82 PathProgramCache]: Analyzing trace with hash 93244423, now seen corresponding path program 1 times [2020-10-15 01:37:46,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:46,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518847360] [2020-10-15 01:37:46,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:46,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:46,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:46,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:46,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:48,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:48,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-15 01:37:48,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:37:48,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2392 [2020-10-15 01:37:48,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:48,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:48,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:37:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 01:37:48,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:49,223 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:49,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:49,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:49,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:49,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:49,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 01:37:49,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:49,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:49,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:49,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:49,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:49,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:49,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:49,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:49,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:49,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:49,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:49,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:49,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:49,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:49,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:49,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:49,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:49,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:49,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:49,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:49,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:49,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:49,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:49,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:49,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:49,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:49,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:49,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:49,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:49,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:49,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:49,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:49,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:49,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:49,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:49,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:49,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:49,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:49,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:49,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:49,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:49,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:49,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:49,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:49,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:49,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:49,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:37:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:49,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:49,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:49,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:49,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:49,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:49,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:49,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:49,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 01:37:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:49,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:49,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:49,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:49,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:49,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:49,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:49,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:49,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:49,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:49,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:49,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 01:37:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:49,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:49,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:49,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:49,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:49,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:49,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:49,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:49,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:49,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:49,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:37:49,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518847360] [2020-10-15 01:37:49,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:49,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:37:49,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107241785] [2020-10-15 01:37:49,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:37:49,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:49,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:37:49,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:37:49,402 INFO L87 Difference]: Start difference. First operand 197 states and 234 transitions. Second operand 9 states. [2020-10-15 01:37:49,802 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:50,718 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:50,975 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:51,217 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:52,196 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:52,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:52,585 INFO L93 Difference]: Finished difference Result 538 states and 713 transitions. [2020-10-15 01:37:52,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:37:52,588 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-10-15 01:37:52,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:52,594 INFO L225 Difference]: With dead ends: 538 [2020-10-15 01:37:52,594 INFO L226 Difference]: Without dead ends: 369 [2020-10-15 01:37:52,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-15 01:37:52,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-10-15 01:37:52,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 298. [2020-10-15 01:37:52,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-15 01:37:52,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 363 transitions. [2020-10-15 01:37:52,691 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 363 transitions. Word has length 60 [2020-10-15 01:37:52,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:52,692 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 363 transitions. [2020-10-15 01:37:52,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:37:52,692 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 363 transitions. [2020-10-15 01:37:52,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-15 01:37:52,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:52,697 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] [2020-10-15 01:37:52,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:37:52,697 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:52,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:52,698 INFO L82 PathProgramCache]: Analyzing trace with hash 131138833, now seen corresponding path program 1 times [2020-10-15 01:37:52,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:52,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806446370] [2020-10-15 01:37:52,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:53,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:54,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:57,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:57,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 01:37:57,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:37:57,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 01:37:57,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:57,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:57,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:37:57,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-15 01:37:57,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-15 01:37:57,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:57,957 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:57,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:57,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:58,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 01:37:58,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:58,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:58,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:37:58,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:58,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:58,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:58,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:58,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:58,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:58,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:58,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:58,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:58,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:58,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:58,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:58,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:58,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:58,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:58,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:58,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:58,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:58,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:58,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:58,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:58,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:58,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:58,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:58,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:37:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:58,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:58,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:58,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:37:58,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 01:37:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:37:58,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:37:58,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-15 01:37:58,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:58,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 01:37:58,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:58,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:37:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:37:58,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:58,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:58,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:58,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:37:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:37:58,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:58,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:58,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:58,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:37:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:37:58,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:58,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:58,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:58,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:58,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:37:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:37:58,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:58,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:58,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:37:58,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:37:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:58,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:58,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:58,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:58,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:37:58,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:58,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:58,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:58,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:37:58,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 01:37:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:58,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:58,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:58,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 01:37:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:58,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:58,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:58,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:58,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:58,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:58,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:58,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:58,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:58,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:58,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:58,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 01:37:58,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806446370] [2020-10-15 01:37:58,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:58,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:37:58,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044032492] [2020-10-15 01:37:58,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:37:58,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:58,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:37:58,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:37:58,259 INFO L87 Difference]: Start difference. First operand 298 states and 363 transitions. Second operand 7 states. [2020-10-15 01:37:58,670 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:38:00,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:38:00,814 INFO L93 Difference]: Finished difference Result 744 states and 1057 transitions. [2020-10-15 01:38:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 01:38:00,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2020-10-15 01:38:00,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:38:00,823 INFO L225 Difference]: With dead ends: 744 [2020-10-15 01:38:00,823 INFO L226 Difference]: Without dead ends: 741 [2020-10-15 01:38:00,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-10-15 01:38:00,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-15 01:38:00,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 533. [2020-10-15 01:38:00,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-10-15 01:38:00,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 671 transitions. [2020-10-15 01:38:00,940 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 671 transitions. Word has length 98 [2020-10-15 01:38:00,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:38:00,941 INFO L479 AbstractCegarLoop]: Abstraction has 533 states and 671 transitions. [2020-10-15 01:38:00,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:38:00,941 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 671 transitions. [2020-10-15 01:38:00,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-15 01:38:00,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:38:00,948 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:38:00,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:38:00,948 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:38:00,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:38:00,949 INFO L82 PathProgramCache]: Analyzing trace with hash 960577913, now seen corresponding path program 1 times [2020-10-15 01:38:00,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:38:00,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870287680] [2020-10-15 01:38:00,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:38:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:00,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-15 01:38:06,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 01:38:06,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-15 01:38:06,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:38:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-15 01:38:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 01:38:06,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:06,253 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:38:06,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:38:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:06,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 01:38:06,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:06,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:06,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:38:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:06,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:06,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:06,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:06,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:06,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:38:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:06,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:06,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:06,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:06,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:06,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:38:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:06,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:06,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:06,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:06,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:38:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:06,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:06,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:06,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:38:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:06,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:06,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:06,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:06,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:06,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:38:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:06,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:06,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:06,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:38:06,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:06,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:38:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:38:06,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:38:06,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 01:38:06,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:06,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 01:38:06,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:06,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:38:06,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:06,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:06,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:06,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:06,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:06,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:06,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:06,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:06,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-15 01:38:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-15 01:38:06,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:38:06,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-15 01:38:06,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:38:06,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-15 01:38:06,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 01:38:06,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:06,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:38:06,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:38:06,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-15 01:38:06,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:38:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 01:38:06,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:06,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:38:06,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:06,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:06,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:06,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:38:06,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:06,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:06,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:06,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:06,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:38:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:38:06,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:38:06,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:38:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:38:06,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:06,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:38:06,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:38:06,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:38:06,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 01:38:06,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:06,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:06,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:06,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:06,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:06,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:06,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:06,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:06,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:06,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:38:06,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:06,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:38:06,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:07,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:38:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:07,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:07,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:07,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:07,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:07,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:07,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:07,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:07,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:07,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:38:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:07,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:07,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:07,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:07,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:38:07,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:38:07,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 01:38:07,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:07,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 01:38:07,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:07,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:07,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:07,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:07,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:07,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:07,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:07,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:07,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:07,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:38:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:07,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:07,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:07,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:07,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:07,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:07,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:07,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:07,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:07,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-15 01:38:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:07,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:07,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:07,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:07,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:07,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:07,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:07,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:07,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:07,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:07,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:07,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:07,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 01:38:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:07,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:07,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:07,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:07,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:07,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:07,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:07,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:07,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:07,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:07,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:07,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-15 01:38:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:07,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:07,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:07,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:07,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:07,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:07,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:07,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:07,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-15 01:38:07,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870287680] [2020-10-15 01:38:07,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:38:07,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-15 01:38:07,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918539222] [2020-10-15 01:38:07,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 01:38:07,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:38:07,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 01:38:07,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:38:07,119 INFO L87 Difference]: Start difference. First operand 533 states and 671 transitions. Second operand 15 states. [2020-10-15 01:38:07,640 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:38:08,351 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:38:08,605 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:08,947 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:10,148 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:10,380 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:10,627 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:10,858 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:12,227 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:12,458 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:12,705 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:12,936 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:13,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:38:13,506 INFO L93 Difference]: Finished difference Result 1291 states and 1855 transitions. [2020-10-15 01:38:13,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-15 01:38:13,506 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 147 [2020-10-15 01:38:13,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:38:13,516 INFO L225 Difference]: With dead ends: 1291 [2020-10-15 01:38:13,516 INFO L226 Difference]: Without dead ends: 768 [2020-10-15 01:38:13,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=428, Invalid=1734, Unknown=0, NotChecked=0, Total=2162 [2020-10-15 01:38:13,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-10-15 01:38:13,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 496. [2020-10-15 01:38:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-15 01:38:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 596 transitions. [2020-10-15 01:38:13,647 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 596 transitions. Word has length 147 [2020-10-15 01:38:13,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:38:13,648 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 596 transitions. [2020-10-15 01:38:13,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 01:38:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 596 transitions. [2020-10-15 01:38:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-15 01:38:13,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:38:13,654 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:38:13,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:38:13,655 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:38:13,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:38:13,655 INFO L82 PathProgramCache]: Analyzing trace with hash -876490624, now seen corresponding path program 1 times [2020-10-15 01:38:13,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:38:13,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498660070] [2020-10-15 01:38:13,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:38:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:13,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:13,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:13,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:13,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:13,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:13,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:15,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:18,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:18,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-15 01:38:18,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 01:38:18,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-15 01:38:18,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:18,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:18,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:18,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:18,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-15 01:38:18,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:18,940 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:38:18,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:38:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:18,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:18,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:18,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:18,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:18,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 01:38:18,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:18,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:38:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:38:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:19,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:38:19,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:19,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:38:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:19,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:19,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:38:19,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:38:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:19,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:38:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:19,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:19,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:38:19,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:19,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:38:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:19,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:19,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:38:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:38:19,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:38:19,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 01:38:19,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-15 01:38:19,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:38:19,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:38:19,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 01:38:19,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:38:19,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:38:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:38:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:38:19,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:38:19,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:38:19,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:38:19,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:19,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:38:19,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:19,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:38:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:38:19,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:38:19,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-15 01:38:19,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:38:19,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:19,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:19,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:19,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:38:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:19,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:19,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:38:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:38:19,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:19,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:19,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 01:38:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:19,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 01:38:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-15 01:38:19,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:38:19,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 01:38:19,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 01:38:19,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:38:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:38:19,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:19,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:19,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:38:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:19,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 01:38:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:19,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-15 01:38:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:19,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:19,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-15 01:38:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:19,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:19,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:19,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:19,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:19,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:19,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:19,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:19,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:19,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:19,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:19,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-15 01:38:19,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498660070] [2020-10-15 01:38:19,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:38:19,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 01:38:19,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014624976] [2020-10-15 01:38:19,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 01:38:19,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:38:19,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 01:38:19,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:38:19,410 INFO L87 Difference]: Start difference. First operand 496 states and 596 transitions. Second operand 13 states. [2020-10-15 01:38:20,033 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:38:20,913 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:38:21,144 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 01:38:21,388 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:38:21,634 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 01:38:23,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:38:23,274 INFO L93 Difference]: Finished difference Result 1260 states and 1766 transitions. [2020-10-15 01:38:23,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 01:38:23,277 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 155 [2020-10-15 01:38:23,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:38:23,285 INFO L225 Difference]: With dead ends: 1260 [2020-10-15 01:38:23,285 INFO L226 Difference]: Without dead ends: 792 [2020-10-15 01:38:23,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=235, Invalid=635, Unknown=0, NotChecked=0, Total=870 [2020-10-15 01:38:23,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-10-15 01:38:23,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 516. [2020-10-15 01:38:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-15 01:38:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 606 transitions. [2020-10-15 01:38:23,406 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 606 transitions. Word has length 155 [2020-10-15 01:38:23,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:38:23,408 INFO L479 AbstractCegarLoop]: Abstraction has 516 states and 606 transitions. [2020-10-15 01:38:23,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 01:38:23,409 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 606 transitions. [2020-10-15 01:38:23,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-15 01:38:23,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:38:23,414 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-15 01:38:23,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:38:23,415 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:38:23,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:38:23,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1332536003, now seen corresponding path program 1 times [2020-10-15 01:38:23,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:38:23,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535031086] [2020-10-15 01:38:23,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:38:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:23,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:23,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:23,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:23,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:23,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:23,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:25,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:28,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:28,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-15 01:38:28,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 01:38:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-15 01:38:28,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:28,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 01:38:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-15 01:38:28,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:28,755 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:38:28,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:38:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:28,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:28,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:28,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:28,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:28,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 01:38:28,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:28,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:28,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:38:28,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:28,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:38:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:28,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:28,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:28,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:28,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:28,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:28,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:28,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:38:28,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:28,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:38:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:28,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:28,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:28,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:28,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:28,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:28,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:28,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:38:28,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:28,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:38:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:28,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:28,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:28,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:28,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:28,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:28,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:28,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:28,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:28,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:28,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:28,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:38:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:28,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:28,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:28,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:28,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:28,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:28,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:38:28,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:28,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:38:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:28,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:28,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:28,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:28,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:28,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:28,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:28,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:28,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:28,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:28,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:38:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:28,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:28,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:28,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:38:29,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:38:29,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-15 01:38:29,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:38:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:38:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-15 01:38:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:38:29,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:38:29,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:38:29,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 01:38:29,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 01:38:29,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:38:29,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:38:29,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:38:29,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:38:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:38:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:29,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:38:29,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:38:29,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:38:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:38:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:38:29,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:38:29,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:38:29,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:29,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:29,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:38:29,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:38:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:29,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:38:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:38:29,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:38:29,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:38:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:29,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 01:38:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:29,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:29,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 01:38:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 01:38:29,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 01:38:29,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:38:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:38:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 01:38:29,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:38:29,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:38:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:38:29,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:38:29,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:38:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:38:29,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:38:29,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 01:38:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:29,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:29,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 01:38:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:38:29,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:38:29,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:29,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:38:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:29,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 01:38:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 01:38:29,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 01:38:29,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:38:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:38:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-15 01:38:29,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:38:29,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:38:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:38:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:38:29,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:38:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:38:29,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:29,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 01:38:29,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:29,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:29,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 01:38:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:38:29,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:38:29,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 01:38:29,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:29,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:38:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:29,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-15 01:38:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:29,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-15 01:38:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:38:29,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:29,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:38:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:29,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:29,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-15 01:38:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:29,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:29,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-15 01:38:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:29,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:29,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:29,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:29,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:29,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:29,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:29,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:29,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 30 proven. 25 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-15 01:38:29,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535031086] [2020-10-15 01:38:29,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:38:29,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-15 01:38:29,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601615009] [2020-10-15 01:38:29,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 01:38:29,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:38:29,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 01:38:29,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-15 01:38:29,694 INFO L87 Difference]: Start difference. First operand 516 states and 606 transitions. Second operand 16 states. [2020-10-15 01:38:30,638 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-10-15 01:38:31,643 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-10-15 01:38:32,099 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-10-15 01:38:32,529 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-10-15 01:38:32,756 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:38:32,977 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:38:33,254 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:33,481 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:33,730 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-15 01:38:35,184 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:38:35,614 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:38:35,876 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:38:36,114 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:38:37,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:38:37,313 INFO L93 Difference]: Finished difference Result 1783 states and 2319 transitions. [2020-10-15 01:38:37,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-15 01:38:37,314 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 202 [2020-10-15 01:38:37,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:38:37,323 INFO L225 Difference]: With dead ends: 1783 [2020-10-15 01:38:37,323 INFO L226 Difference]: Without dead ends: 1295 [2020-10-15 01:38:37,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 78 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=487, Invalid=2063, Unknown=0, NotChecked=0, Total=2550 [2020-10-15 01:38:37,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-10-15 01:38:37,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1127. [2020-10-15 01:38:37,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2020-10-15 01:38:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1308 transitions. [2020-10-15 01:38:37,639 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1308 transitions. Word has length 202 [2020-10-15 01:38:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:38:37,640 INFO L479 AbstractCegarLoop]: Abstraction has 1127 states and 1308 transitions. [2020-10-15 01:38:37,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 01:38:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1308 transitions. [2020-10-15 01:38:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-15 01:38:37,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:38:37,645 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-15 01:38:37,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:38:37,646 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:38:37,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:38:37,646 INFO L82 PathProgramCache]: Analyzing trace with hash -402984640, now seen corresponding path program 1 times [2020-10-15 01:38:37,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:38:37,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493304846] [2020-10-15 01:38:37,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:38:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 01:38:37,701 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 01:38:37,701 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 01:38:37,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:38:37,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:38:37 BoogieIcfgContainer [2020-10-15 01:38:37,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:38:37,753 INFO L168 Benchmark]: Toolchain (without parser) took 62929.44 ms. Allocated memory was 147.8 MB in the beginning and 923.8 MB in the end (delta: 775.9 MB). Free memory was 103.3 MB in the beginning and 833.3 MB in the end (delta: -730.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:38:37,753 INFO L168 Benchmark]: CDTParser took 0.23 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. [2020-10-15 01:38:37,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.61 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.9 MB in the beginning and 172.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-10-15 01:38:37,755 INFO L168 Benchmark]: Boogie Preprocessor took 88.94 ms. Allocated memory is still 204.5 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-15 01:38:37,756 INFO L168 Benchmark]: RCFGBuilder took 1165.42 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 168.4 MB in the beginning and 191.6 MB in the end (delta: -23.2 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-10-15 01:38:37,756 INFO L168 Benchmark]: TraceAbstraction took 61073.17 ms. Allocated memory was 234.4 MB in the beginning and 923.8 MB in the end (delta: 689.4 MB). Free memory was 191.6 MB in the beginning and 833.3 MB in the end (delta: -641.7 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:38:37,760 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 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 597.61 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.9 MB in the beginning and 172.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.94 ms. Allocated memory is still 204.5 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1165.42 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 168.4 MB in the beginning and 191.6 MB in the end (delta: -23.2 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61073.17 ms. Allocated memory was 234.4 MB in the beginning and 923.8 MB in the end (delta: 689.4 MB). Free memory was 191.6 MB in the beginning and 833.3 MB in the end (delta: -641.7 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 830]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L43] int methAndRunningLastTime ; [L251] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L455] int pumpRunning = 0; [L456] int systemActive = 1; [L628] int waterLevel = 1; [L629] int methaneLevelCritical = 0; [L835] int cleanupTimeShifts = 4; [L909] int retValue_acc ; [L910] int tmp ; [L914] FCALL select_helpers() [L915] FCALL select_features() [L916] CALL, EXPR valid_product() [L817] int retValue_acc ; [L820] retValue_acc = 1 [L821] return (retValue_acc); [L916] RET, EXPR valid_product() [L916] tmp = valid_product() [L918] COND TRUE \read(tmp) [L920] FCALL setup() [L921] CALL runTest() [L902] CALL __utac_acc__Specification2_spec__1() [L48] methAndRunningLastTime = 0 [L902] RET __utac_acc__Specification2_spec__1() [L903] CALL test() [L724] int splverifierCounter ; [L725] int tmp ; [L726] int tmp___0 ; [L727] int tmp___1 ; [L728] int tmp___2 ; [L731] splverifierCounter = 0 [L733] COND TRUE 1 [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND TRUE \read(tmp) [L745] CALL waterRise() [L646] COND TRUE waterLevel < 2 [L647] waterLevel = waterLevel + 1 [L745] RET waterRise() [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp___0)) [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) [L776] CALL timeShift() [L462] COND FALSE !(\read(pumpRunning)) [L469] COND TRUE \read(systemActive) [L471] CALL processEnvironment() [L491] int tmp ; [L494] COND TRUE ! pumpRunning [L496] CALL, EXPR isHighWaterLevel() [L606] int retValue_acc ; [L607] int tmp ; [L608] int tmp___0 ; [L612] CALL, EXPR isHighWaterSensorDry() [L708] int retValue_acc ; [L711] COND FALSE !(waterLevel < 2) [L715] retValue_acc = 0 [L716] return (retValue_acc); [L612] RET, EXPR isHighWaterSensorDry() [L612] tmp = isHighWaterSensorDry() [L614] COND FALSE !(\read(tmp)) [L617] tmp___0 = 1 [L619] retValue_acc = tmp___0 [L620] return (retValue_acc); [L496] RET, EXPR isHighWaterLevel() [L496] tmp = isHighWaterLevel() [L498] COND TRUE \read(tmp) [L500] CALL activatePump() [L525] int tmp ; [L529] CALL, EXPR isMethaneAlarm() [L550] int retValue_acc ; [L554] CALL, EXPR isMethaneLevelCritical() [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L554] RET, EXPR isMethaneLevelCritical() [L554] retValue_acc = isMethaneLevelCritical() [L556] return (retValue_acc); [L529] RET, EXPR isMethaneAlarm() [L529] tmp = isMethaneAlarm() [L531] COND FALSE !(\read(tmp)) [L535] CALL activatePump__wrappee__highWaterSensor() [L519] pumpRunning = 1 [L535] RET activatePump__wrappee__highWaterSensor() [L500] RET activatePump() [L471] RET processEnvironment() [L477] CALL __utac_acc__Specification2_spec__2() [L53] int tmp ; [L54] int tmp___0 ; [L58] CALL, EXPR isMethaneLevelCritical() [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() [L58] tmp = isMethaneLevelCritical() [L60] COND FALSE !(\read(tmp)) [L76] methAndRunningLastTime = 0 [L477] RET __utac_acc__Specification2_spec__2() [L776] RET timeShift() [L733] COND TRUE 1 [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND FALSE !(\read(tmp)) [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND TRUE \read(tmp___0) [L755] CALL changeMethaneLevel() [L658] COND FALSE !(\read(methaneLevelCritical)) [L661] methaneLevelCritical = 1 [L755] RET changeMethaneLevel() [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) [L776] CALL timeShift() [L462] COND TRUE \read(pumpRunning) [L464] CALL lowerWaterLevel() [L634] COND TRUE waterLevel > 0 [L635] waterLevel = waterLevel - 1 [L464] RET lowerWaterLevel() [L469] COND TRUE \read(systemActive) [L471] CALL processEnvironment() [L491] int tmp ; [L494] COND FALSE !(! pumpRunning) [L509] FCALL processEnvironment__wrappee__base() [L471] RET processEnvironment() [L477] CALL __utac_acc__Specification2_spec__2() [L53] int tmp ; [L54] int tmp___0 ; [L58] CALL, EXPR isMethaneLevelCritical() [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() [L58] tmp = isMethaneLevelCritical() [L60] COND TRUE \read(tmp) [L62] CALL, EXPR isPumpRunning() [L561] int retValue_acc ; [L564] retValue_acc = pumpRunning [L565] return (retValue_acc); [L62] RET, EXPR isPumpRunning() [L62] tmp___0 = isPumpRunning() [L64] COND TRUE \read(tmp___0) [L65] COND FALSE !(\read(methAndRunningLastTime)) [L70] methAndRunningLastTime = 1 [L477] RET __utac_acc__Specification2_spec__2() [L776] RET timeShift() [L733] COND TRUE 1 [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND FALSE !(\read(tmp)) [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp___0)) [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) [L776] CALL timeShift() [L462] COND TRUE \read(pumpRunning) [L464] CALL lowerWaterLevel() [L634] COND TRUE waterLevel > 0 [L635] waterLevel = waterLevel - 1 [L464] RET lowerWaterLevel() [L469] COND TRUE \read(systemActive) [L471] CALL processEnvironment() [L491] int tmp ; [L494] COND FALSE !(! pumpRunning) [L509] FCALL processEnvironment__wrappee__base() [L471] RET processEnvironment() [L477] CALL __utac_acc__Specification2_spec__2() [L53] int tmp ; [L54] int tmp___0 ; [L58] CALL, EXPR isMethaneLevelCritical() [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() [L58] tmp = isMethaneLevelCritical() [L60] COND TRUE \read(tmp) [L62] CALL, EXPR isPumpRunning() [L561] int retValue_acc ; [L564] retValue_acc = pumpRunning [L565] return (retValue_acc); [L62] RET, EXPR isPumpRunning() [L62] tmp___0 = isPumpRunning() [L64] COND TRUE \read(tmp___0) [L65] COND TRUE \read(methAndRunningLastTime) [L67] CALL __automaton_fail() [L830] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 60.9s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 27.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 793 SDtfs, 2850 SDslu, 1397 SDs, 0 SdLazy, 7086 SolverSat, 1868 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 445 GetRequests, 272 SyntacticMatches, 3 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1587 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1127occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 1042 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 31.8s InterpolantComputationTime, 892 NumberOfCodeBlocks, 892 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 707 ConstructedInterpolants, 0 QuantifiedInterpolants, 322640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 246/277 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 incorrect! Received shutdown request...