/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 SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:13:50,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:13:50,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:13:50,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:13:50,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:13:50,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:13:50,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:13:50,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:13:50,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:13:50,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:13:50,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:13:50,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:13:50,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:13:50,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:13:50,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:13:50,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:13:50,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:13:50,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:13:50,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:13:50,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:13:50,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:13:50,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:13:50,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:13:50,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:13:50,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:13:50,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:13:50,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:13:50,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:13:50,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:13:50,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:13:50,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:13:50,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:13:50,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:13:50,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:13:50,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:13:50,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:13:50,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:13:50,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:13:50,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:13:50,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:13:50,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:13:50,572 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 [2020-09-25 04:13:50,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:13:50,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:13:50,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:13:50,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:13:50,623 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:13:50,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:13:50,623 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:13:50,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:13:50,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:13:50,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:13:50,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:13:50,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:13:50,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:13:50,626 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:13:50,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:13:50,626 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:13:50,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:13:50,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:13:50,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:13:50,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:13:50,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:13:50,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:13:50,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:13:50,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:13:50,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:13:50,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:13:50,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:13:50,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:13:50,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:13:50,629 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:13:51,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:13:51,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:13:51,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:13:51,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:13:51,114 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:13:51,115 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-25 04:13:51,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/161b29bf0/3ec2ae1a42624c3bba89b14bdb7891d3/FLAGe34f5796e [2020-09-25 04:13:51,829 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:13:51,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-25 04:13:51,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/161b29bf0/3ec2ae1a42624c3bba89b14bdb7891d3/FLAGe34f5796e [2020-09-25 04:13:52,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/161b29bf0/3ec2ae1a42624c3bba89b14bdb7891d3 [2020-09-25 04:13:52,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:13:52,121 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:13:52,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:13:52,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:13:52,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:13:52,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:13:52" (1/1) ... [2020-09-25 04:13:52,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f53a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:52, skipping insertion in model container [2020-09-25 04:13:52,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:13:52" (1/1) ... [2020-09-25 04:13:52,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:13:52,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:13:52,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:13:52,666 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:13:52,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:13:52,944 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:13:52,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:52 WrapperNode [2020-09-25 04:13:52,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:13:52,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:13:52,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:13:52,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:13:52,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:52" (1/1) ... [2020-09-25 04:13:52,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:52" (1/1) ... [2020-09-25 04:13:52,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:52" (1/1) ... [2020-09-25 04:13:52,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:52" (1/1) ... [2020-09-25 04:13:53,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:52" (1/1) ... [2020-09-25 04:13:53,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:52" (1/1) ... [2020-09-25 04:13:53,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:52" (1/1) ... [2020-09-25 04:13:53,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:13:53,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:13:53,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:13:53,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:13:53,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:13:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:13:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:13:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:13:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:13:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:13:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:13:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:13:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:13:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:13:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:13:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:13:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:13:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:13:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:13:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:13:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:13:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:13:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:13:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:13:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:13:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:13:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 04:13:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:13:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:13:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:13:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:13:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:13:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:13:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:13:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:13:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:13:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:13:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:13:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:13:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:13:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:13:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:13:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:13:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:13:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:13:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:13:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:13:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:13:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:13:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:13:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:13:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:13:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:13:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:13:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:13:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:13:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:13:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:13:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:13:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:13:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:13:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:13:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:13:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 04:13:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:13:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:13:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:13:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:13:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:13:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:13:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:13:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:13:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:13:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:13:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:13:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:13:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:13:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:13:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:13:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:13:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:13:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:13:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:13:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:13:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:13:54,415 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:13:54,415 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:13:54,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:13:54 BoogieIcfgContainer [2020-09-25 04:13:54,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:13:54,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:13:54,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:13:54,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:13:54,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:13:52" (1/3) ... [2020-09-25 04:13:54,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9e962a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:13:54, skipping insertion in model container [2020-09-25 04:13:54,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:52" (2/3) ... [2020-09-25 04:13:54,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9e962a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:13:54, skipping insertion in model container [2020-09-25 04:13:54,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:13:54" (3/3) ... [2020-09-25 04:13:54,442 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-09-25 04:13:54,454 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:13:54,469 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:13:54,493 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:13:54,533 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:13:54,533 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:13:54,534 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:13:54,534 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:13:54,534 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:13:54,534 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:13:54,534 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:13:54,534 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:13:54,563 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-25 04:13:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 04:13:54,583 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:13:54,585 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:13:54,585 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:13:54,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:13:54,594 INFO L82 PathProgramCache]: Analyzing trace with hash 138985992, now seen corresponding path program 1 times [2020-09-25 04:13:54,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:13:54,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47110123] [2020-09-25 04:13:54,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:13:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:55,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:55,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:55,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:56,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:59,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:59,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 04:13:59,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:13:59,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 04:13:59,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:59,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:13:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:59,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-25 04:14:00,434 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:00,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:00,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:00,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:00,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:00,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:00,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-25 04:14:00,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:00,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:00,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:00,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:00,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:00,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:00,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:00,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:00,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:00,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:00,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:00,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:00,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:00,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:00,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:00,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:00,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:00,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:00,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:00,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:00,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:00,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:00,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:00,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:00,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:00,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:00,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:00,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:00,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:00,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:14:00,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:00,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:00,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:00,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:00,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:00,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:00,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:00,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:00,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:00,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:00,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:00,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:00,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:00,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:00,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:00,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:00,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:00,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:00,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:00,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:00,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:00,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:00,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:00,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:14:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:00,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:00,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:00,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:00,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:00,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:00,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:00,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:00,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:00,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:14:00,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:00,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:00,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:00,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:00,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:00,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:00,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:00,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:00,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:00,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:00,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:00,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:00,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 04:14:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:00,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:00,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:00,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:00,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:00,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:00,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:00,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 04:14:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:00,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:00,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:00,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:00,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:00,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:00,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:00,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:00,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:00,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:14:00,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47110123] [2020-09-25 04:14:00,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:00,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:14:00,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737885986] [2020-09-25 04:14:00,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:14:00,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:00,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:14:00,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:14:00,805 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 4 states. [2020-09-25 04:14:02,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:02,121 INFO L93 Difference]: Finished difference Result 483 states and 562 transitions. [2020-09-25 04:14:02,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:14:02,123 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 04:14:02,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:02,154 INFO L225 Difference]: With dead ends: 483 [2020-09-25 04:14:02,154 INFO L226 Difference]: Without dead ends: 306 [2020-09-25 04:14:02,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:14:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-25 04:14:02,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 262. [2020-09-25 04:14:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-25 04:14:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 283 transitions. [2020-09-25 04:14:02,321 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 283 transitions. Word has length 160 [2020-09-25 04:14:02,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:02,322 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 283 transitions. [2020-09-25 04:14:02,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:14:02,322 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 283 transitions. [2020-09-25 04:14:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:14:02,329 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:02,330 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:14:02,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:14:02,330 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:02,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:02,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1474932112, now seen corresponding path program 1 times [2020-09-25 04:14:02,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:02,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053078059] [2020-09-25 04:14:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:02,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:03,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:07,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:07,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 04:14:07,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:14:07,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 04:14:07,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:07,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:07,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:07,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 04:14:07,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 04:14:07,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:07,914 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:07,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:08,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:08,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:08,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:08,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-09-25 04:14:08,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:08,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 04:14:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:08,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:08,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:08,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:08,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:08,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:08,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:08,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:08,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:08,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:08,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:08,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:08,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:08,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:08,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:08,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:08,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:08,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:08,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:08,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:08,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:08,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:08,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:08,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:08,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:14:08,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:08,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:08,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:08,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:14:08,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:08,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:08,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:08,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:08,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:08,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:08,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:14:08,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:08,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:08,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:08,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:08,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:08,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:08,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:08,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:08,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:08,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:08,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:14:08,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:08,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:14:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:08,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:08,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:08,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:08,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:08,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:14:08,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:08,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:14:08,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:08,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:08,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:08,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:08,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:08,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:08,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:08,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:08,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:08,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:08,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:08,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:08,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:08,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 04:14:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:08,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:08,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:08,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:08,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:08,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:08,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:08,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:08,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:08,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:08,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:08,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:08,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:14:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:08,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:08,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:08,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:08,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:08,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:08,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:08,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:08,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:08,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:08,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:08,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:08,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:14:08,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053078059] [2020-09-25 04:14:08,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:08,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:14:08,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365148298] [2020-09-25 04:14:08,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:14:08,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:08,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:14:08,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:14:08,467 INFO L87 Difference]: Start difference. First operand 262 states and 283 transitions. Second operand 5 states. [2020-09-25 04:14:08,950 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:14:09,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:09,852 INFO L93 Difference]: Finished difference Result 453 states and 514 transitions. [2020-09-25 04:14:09,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:14:09,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 04:14:09,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:09,858 INFO L225 Difference]: With dead ends: 453 [2020-09-25 04:14:09,863 INFO L226 Difference]: Without dead ends: 306 [2020-09-25 04:14:09,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:14:09,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-25 04:14:09,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 262. [2020-09-25 04:14:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-25 04:14:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 282 transitions. [2020-09-25 04:14:09,943 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 282 transitions. Word has length 161 [2020-09-25 04:14:09,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:09,946 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 282 transitions. [2020-09-25 04:14:09,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:14:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 282 transitions. [2020-09-25 04:14:09,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-09-25 04:14:09,955 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:09,955 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:14:09,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:14:09,955 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:09,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:09,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1690720512, now seen corresponding path program 1 times [2020-09-25 04:14:09,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:09,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [860125275] [2020-09-25 04:14:09,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:10,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:10,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:11,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:12,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:12,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:13,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 04:14:15,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:14:15,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 04:14:15,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:14:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 04:14:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:14:15,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,425 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:15,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:15,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 04:14:15,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:15,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:15,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:15,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:15,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:15,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:15,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:15,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:15,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:15,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:15,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:14:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:15,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:15,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:15,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:15,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:14:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:14:15,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:14:15,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:14:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:14:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:14:15,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:14:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:15,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:15,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:15,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-25 04:14:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:15,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:15,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:15,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 04:14:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:15,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:15,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:15,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:14:15,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [860125275] [2020-09-25 04:14:15,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:15,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 04:14:15,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760940895] [2020-09-25 04:14:15,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 04:14:15,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:15,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 04:14:15,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 04:14:15,780 INFO L87 Difference]: Start difference. First operand 262 states and 282 transitions. Second operand 8 states. [2020-09-25 04:14:16,246 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:14:18,077 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:14:18,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:18,550 INFO L93 Difference]: Finished difference Result 614 states and 721 transitions. [2020-09-25 04:14:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 04:14:18,551 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-09-25 04:14:18,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:18,556 INFO L225 Difference]: With dead ends: 614 [2020-09-25 04:14:18,556 INFO L226 Difference]: Without dead ends: 467 [2020-09-25 04:14:18,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-09-25 04:14:18,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-09-25 04:14:18,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 392. [2020-09-25 04:14:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-09-25 04:14:18,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 436 transitions. [2020-09-25 04:14:18,619 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 436 transitions. Word has length 178 [2020-09-25 04:14:18,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:18,620 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 436 transitions. [2020-09-25 04:14:18,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 04:14:18,620 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 436 transitions. [2020-09-25 04:14:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-09-25 04:14:18,623 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:18,624 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:14:18,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:14:18,624 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:18,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:18,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1414076529, now seen corresponding path program 1 times [2020-09-25 04:14:18,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:18,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405064714] [2020-09-25 04:14:18,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:18,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:18,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:21,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:21,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:21,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:23,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:23,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-09-25 04:14:23,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:14:23,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 04:14:23,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:23,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:14:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 04:14:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 04:14:23,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,033 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:24,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:24,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 04:14:24,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:24,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:24,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:24,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:24,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:24,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:24,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:24,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:24,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:24,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:24,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:24,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:24,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:24,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:24,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:14:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:24,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:24,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:24,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:24,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:24,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:14:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:14:24,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:14:24,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 520 [2020-09-25 04:14:24,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:24,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:14:24,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:14:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:14:24,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:14:24,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 04:14:24,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:14:24,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:14:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:14:24,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:24,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:14:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:24,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:24,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:24,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:24,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 04:14:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:24,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:24,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:14:24,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 04:14:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:24,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 04:14:24,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:14:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:14:24,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 04:14:25,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405064714] [2020-09-25 04:14:25,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:25,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:14:25,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895336866] [2020-09-25 04:14:25,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:14:25,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:25,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:14:25,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:14:25,074 INFO L87 Difference]: Start difference. First operand 392 states and 436 transitions. Second operand 10 states. [2020-09-25 04:14:25,877 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:14:26,881 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 04:14:27,475 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 04:14:28,828 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:14:29,132 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 04:14:29,509 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:14:30,040 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:14:30,373 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 04:14:30,735 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:14:31,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:31,351 INFO L93 Difference]: Finished difference Result 743 states and 869 transitions. [2020-09-25 04:14:31,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 04:14:31,352 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 202 [2020-09-25 04:14:31,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:31,356 INFO L225 Difference]: With dead ends: 743 [2020-09-25 04:14:31,357 INFO L226 Difference]: Without dead ends: 466 [2020-09-25 04:14:31,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2020-09-25 04:14:31,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-09-25 04:14:31,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 391. [2020-09-25 04:14:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-25 04:14:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 433 transitions. [2020-09-25 04:14:31,406 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 433 transitions. Word has length 202 [2020-09-25 04:14:31,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:31,407 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 433 transitions. [2020-09-25 04:14:31,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:14:31,408 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 433 transitions. [2020-09-25 04:14:31,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 04:14:31,411 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:31,411 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:14:31,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:14:31,411 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:31,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:31,412 INFO L82 PathProgramCache]: Analyzing trace with hash 551895604, now seen corresponding path program 1 times [2020-09-25 04:14:31,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:31,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777124664] [2020-09-25 04:14:31,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:31,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:31,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 04:14:33,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:14:33,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1698 [2020-09-25 04:14:33,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:33,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:14:33,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:14:33,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,436 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:33,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:33,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 04:14:33,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:33,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:33,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:33,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:33,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:33,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:33,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:33,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:33,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:33,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:33,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:33,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:33,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:14:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:33,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:33,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:14:33,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:33,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:33,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 04:14:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 04:14:33,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:14:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 04:14:33,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-25 04:14:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:14:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:14:33,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:14:33,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 04:14:33,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:14:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:14:33,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:14:33,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:14:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 04:14:33,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 04:14:33,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:14:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 04:14:33,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:33,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:14:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:33,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:33,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 04:14:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:33,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:33,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:33,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 04:14:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:33,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:33,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:33,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:33,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 04:14:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:33,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:33,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:33,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:33,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:33,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:33,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:33,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:33,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:33,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:33,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:14:34,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777124664] [2020-09-25 04:14:34,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:34,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:14:34,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950169332] [2020-09-25 04:14:34,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:14:34,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:34,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:14:34,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:14:34,058 INFO L87 Difference]: Start difference. First operand 391 states and 433 transitions. Second operand 6 states. [2020-09-25 04:14:34,844 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:14:35,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:35,879 INFO L93 Difference]: Finished difference Result 635 states and 714 transitions. [2020-09-25 04:14:35,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 04:14:35,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2020-09-25 04:14:35,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:35,883 INFO L225 Difference]: With dead ends: 635 [2020-09-25 04:14:35,883 INFO L226 Difference]: Without dead ends: 419 [2020-09-25 04:14:35,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:14:35,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-09-25 04:14:35,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 357. [2020-09-25 04:14:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-09-25 04:14:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 385 transitions. [2020-09-25 04:14:35,930 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 385 transitions. Word has length 216 [2020-09-25 04:14:35,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:35,930 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 385 transitions. [2020-09-25 04:14:35,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:14:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 385 transitions. [2020-09-25 04:14:35,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 04:14:35,934 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:35,934 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:14:35,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 04:14:35,935 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:35,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:35,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1984068191, now seen corresponding path program 1 times [2020-09-25 04:14:35,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:35,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554342022] [2020-09-25 04:14:35,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:36,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:36,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:36,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 04:14:36,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:36,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 711 [2020-09-25 04:14:36,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:36,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:14:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-09-25 04:14:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:14:36,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,073 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:37,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:37,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 04:14:37,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:37,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:37,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:37,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:37,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:37,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:37,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:37,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:37,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:37,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:37,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:37,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:37,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:14:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:37,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:37,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:37,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:37,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:14:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 04:14:37,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 04:14:37,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:14:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:14:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:14:37,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:14:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:14:37,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 04:14:37,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:14:37,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 04:14:37,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:14:37,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:14:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:14:37,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:14:37,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:14:37,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:14:37,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:14:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 04:14:37,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 04:14:37,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 04:14:37,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:14:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 04:14:37,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:37,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:14:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:37,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:37,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 04:14:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:37,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:37,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 04:14:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:37,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:37,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 04:14:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:37,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:37,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:37,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:37,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:37,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:37,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:37,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:14:37,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554342022] [2020-09-25 04:14:37,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:37,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:14:37,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121270168] [2020-09-25 04:14:37,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:14:37,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:37,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:14:37,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:14:37,586 INFO L87 Difference]: Start difference. First operand 357 states and 385 transitions. Second operand 9 states.