/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 --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 interpolation-heuristic=FIRST --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_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:07:49,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:07:49,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:07:49,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:07:49,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:07:49,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:07:49,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:07:49,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:07:49,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:07:49,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:07:49,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:07:49,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:07:49,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:07:49,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:07:49,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:07:49,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:07:49,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:07:49,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:07:49,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:07:49,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:07:49,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:07:49,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:07:49,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:07:49,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:07:49,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:07:49,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:07:49,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:07:49,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:07:49,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:07:49,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:07:49,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:07:49,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:07:49,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:07:49,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:07:49,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:07:49,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:07:49,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:07:49,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:07:49,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:07:49,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:07:49,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:07:49,234 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 [2020-09-21 11:07:49,265 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:07:49,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:07:49,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:07:49,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:07:49,267 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:07:49,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:07:49,267 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:07:49,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:07:49,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:07:49,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:07:49,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:07:49,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:07:49,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:07:49,269 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:07:49,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:07:49,269 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:07:49,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:07:49,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:07:49,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:07:49,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:07:49,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:07:49,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:07:49,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:07:49,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:07:49,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:07:49,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:07:49,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:07:49,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:07:49,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:07:49,272 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:07:49,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:07:49,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:07:49,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:07:49,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:07:49,734 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:07:49,735 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-09-21 11:07:49,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0bda716c1/97e907b2922d4fedaa0484141ca92132/FLAGd387f6ecd [2020-09-21 11:07:50,394 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:07:50,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-09-21 11:07:50,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0bda716c1/97e907b2922d4fedaa0484141ca92132/FLAGd387f6ecd [2020-09-21 11:07:50,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0bda716c1/97e907b2922d4fedaa0484141ca92132 [2020-09-21 11:07:50,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:07:50,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:07:50,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:07:50,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:07:50,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:07:50,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:07:50" (1/1) ... [2020-09-21 11:07:50,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:50, skipping insertion in model container [2020-09-21 11:07:50,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:07:50" (1/1) ... [2020-09-21 11:07:50,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:07:50,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:07:51,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:07:51,223 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:07:51,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:07:51,346 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:07:51,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:51 WrapperNode [2020-09-21 11:07:51,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:07:51,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:07:51,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:07:51,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:07:51,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:51" (1/1) ... [2020-09-21 11:07:51,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:51" (1/1) ... [2020-09-21 11:07:51,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:51" (1/1) ... [2020-09-21 11:07:51,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:51" (1/1) ... [2020-09-21 11:07:51,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:51" (1/1) ... [2020-09-21 11:07:51,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:51" (1/1) ... [2020-09-21 11:07:51,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:51" (1/1) ... [2020-09-21 11:07:51,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:07:51,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:07:51,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:07:51,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:07:51,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:51" (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 [2020-09-21 11:07:51,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:07:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:07:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:07:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:07:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:07:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:07:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:07:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:07:51,543 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:07:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:07:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:07:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:07:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:07:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:07:51,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:07:51,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:07:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:07:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:07:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:07:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:07:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:07:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:07:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:07:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:07:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:07:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:07:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:07:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:07:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:07:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:07:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:07:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:07:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:07:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:07:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:07:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:07:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:07:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:07:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:07:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:07:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:07:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:07:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:07:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:07:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:07:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:07:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:07:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:07:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:07:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:07:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:07:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:07:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:07:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:07:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:07:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:07:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:07:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:07:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:07:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:07:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:07:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:07:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:07:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:07:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:07:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:07:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:07:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:07:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:07:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:07:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:07:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:07:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:07:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:07:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:07:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:07:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:07:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:07:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:07:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:07:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:07:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:07:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:07:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:07:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:07:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:07:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:07:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:07:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:07:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:07:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:07:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:07:52,633 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:07:52,634 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:07:52,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:07:52 BoogieIcfgContainer [2020-09-21 11:07:52,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:07:52,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:07:52,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:07:52,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:07:52,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:07:50" (1/3) ... [2020-09-21 11:07:52,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db85ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:07:52, skipping insertion in model container [2020-09-21 11:07:52,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:51" (2/3) ... [2020-09-21 11:07:52,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db85ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:07:52, skipping insertion in model container [2020-09-21 11:07:52,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:07:52" (3/3) ... [2020-09-21 11:07:52,654 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2020-09-21 11:07:52,665 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:07:52,677 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:07:52,700 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:07:52,736 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:07:52,737 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:07:52,737 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:07:52,737 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:07:52,737 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:07:52,737 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:07:52,737 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:07:52,737 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:07:52,760 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-09-21 11:07:52,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:07:52,772 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:52,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:07:52,773 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:52,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:52,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1991715745, now seen corresponding path program 1 times [2020-09-21 11:07:52,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:52,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461504864] [2020-09-21 11:07:52,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:53,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:53,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:53,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:53,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:53,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:07:53,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:53,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:07:53,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:53,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:07:53,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:53,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:07:53,560 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:53,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:53,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:53,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:53,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:53,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:53,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:53,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:53,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:53,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:53,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:53,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:53,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:53,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:53,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:53,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:53,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:53,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:53,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:53,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:53,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:53,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:07:53,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:53,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:53,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:53,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:53,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:53,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:53,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:53,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:53,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:53,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:53,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:53,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:53,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:07:53,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:53,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:53,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:53,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:53,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:53,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:53,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:53,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:53,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:53,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:53,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:53,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:53,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:53,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:53,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:53,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:53,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:53,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:53,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:53,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:53,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:53,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:53,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:53,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:53,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:53,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:53,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:53,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:53,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:53,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:53,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:53,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:53,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:53,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:53,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:53,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:07:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:53,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:53,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:53,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:53,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:53,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:53,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:53,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:53,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:53,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:53,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:53,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:53,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:07:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:53,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:53,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:53,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:53,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:53,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:53,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:53,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:53,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:53,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:53,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:53,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:53,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:53,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461504864] [2020-09-21 11:07:53,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:53,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:07:53,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166491934] [2020-09-21 11:07:53,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:07:53,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:53,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:07:53,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:07:53,779 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-09-21 11:07:54,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:54,926 INFO L93 Difference]: Finished difference Result 286 states and 375 transitions. [2020-09-21 11:07:54,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:07:54,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:07:54,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:54,948 INFO L225 Difference]: With dead ends: 286 [2020-09-21 11:07:54,949 INFO L226 Difference]: Without dead ends: 159 [2020-09-21 11:07:54,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:07:54,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-21 11:07:55,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 128. [2020-09-21 11:07:55,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-09-21 11:07:55,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-09-21 11:07:55,072 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2020-09-21 11:07:55,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:55,073 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-09-21 11:07:55,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:07:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-09-21 11:07:55,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:07:55,077 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:55,077 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:07:55,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:07:55,078 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:55,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:55,079 INFO L82 PathProgramCache]: Analyzing trace with hash -392602955, now seen corresponding path program 1 times [2020-09-21 11:07:55,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:55,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107901044] [2020-09-21 11:07:55,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:55,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:55,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:55,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:55,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:55,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:07:55,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:55,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:07:55,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:55,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:55,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:07:55,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:07:55,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:55,464 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:55,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:55,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:55,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:55,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:55,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:55,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:55,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:55,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:55,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:55,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:55,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:55,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:55,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:55,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:55,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:55,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:55,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:55,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:55,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:55,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:55,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:55,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:55,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:55,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:55,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:55,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:55,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:55,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:55,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:55,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:55,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:55,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:55,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:55,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:55,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:55,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:55,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:55,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:55,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:55,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:55,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:55,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:55,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:55,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:55,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:55,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:55,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:55,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:55,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:55,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:55,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:55,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:55,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:55,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:55,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:55,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:55,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:55,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:55,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:55,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:55,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:55,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:55,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:55,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:55,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:55,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:55,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:55,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:55,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:55,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:55,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:55,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:55,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:55,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:07:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:55,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:55,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:55,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:55,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:55,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:55,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:55,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:55,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:55,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:55,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:55,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:55,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:55,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:07:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:55,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:55,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:55,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:55,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:55,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:55,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:55,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:55,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:55,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:55,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:55,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:55,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107901044] [2020-09-21 11:07:55,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:55,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:07:55,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203996642] [2020-09-21 11:07:55,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:07:55,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:55,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:07:55,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:07:55,565 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 5 states. [2020-09-21 11:07:55,988 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:56,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:56,939 INFO L93 Difference]: Finished difference Result 231 states and 286 transitions. [2020-09-21 11:07:56,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:07:56,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:07:56,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:56,944 INFO L225 Difference]: With dead ends: 231 [2020-09-21 11:07:56,944 INFO L226 Difference]: Without dead ends: 149 [2020-09-21 11:07:56,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:07:56,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-09-21 11:07:56,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 119. [2020-09-21 11:07:56,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-21 11:07:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-09-21 11:07:56,989 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2020-09-21 11:07:56,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:56,990 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-09-21 11:07:56,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:07:56,990 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-09-21 11:07:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 11:07:56,992 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:56,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:07:56,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:07:56,993 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:56,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:56,993 INFO L82 PathProgramCache]: Analyzing trace with hash -368031557, now seen corresponding path program 1 times [2020-09-21 11:07:56,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:56,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988730604] [2020-09-21 11:07:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:07:57,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:07:57,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 11:07:57,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 11:07:57,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,426 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:57,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:57,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-21 11:07:57,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:07:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:57,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:57,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:57,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:57,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:57,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:57,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:57,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:57,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:57,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:57,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:07:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:57,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:57,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:07:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:57,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:57,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:57,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988730604] [2020-09-21 11:07:57,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:57,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:07:57,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250500586] [2020-09-21 11:07:57,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:07:57,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:57,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:07:57,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:07:57,643 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 5 states. [2020-09-21 11:07:57,983 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:58,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:58,925 INFO L93 Difference]: Finished difference Result 240 states and 301 transitions. [2020-09-21 11:07:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:07:58,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 11:07:58,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:58,934 INFO L225 Difference]: With dead ends: 240 [2020-09-21 11:07:58,934 INFO L226 Difference]: Without dead ends: 149 [2020-09-21 11:07:58,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:07:58,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-09-21 11:07:58,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 119. [2020-09-21 11:07:58,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-21 11:07:58,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-09-21 11:07:58,970 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2020-09-21 11:07:58,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:58,971 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-09-21 11:07:58,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:07:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-09-21 11:07:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 11:07:58,973 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:58,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:07:58,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:07:58,974 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:58,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:58,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1230357120, now seen corresponding path program 1 times [2020-09-21 11:07:58,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:58,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696872857] [2020-09-21 11:07:58,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:07:59,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-09-21 11:07:59,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:07:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 11:07:59,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:59,659 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:59,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:59,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:07:59,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:07:59,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:59,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:59,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:59,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:59,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:59,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:59,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:59,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:59,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:59,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:59,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:59,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:59,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:59,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:59,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:59,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:59,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:59,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:59,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:59,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:59,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:59,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:59,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:59,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:59,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:59,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:07:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:07:59,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:07:59,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:07:59,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:07:59,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:07:59,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:59,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:07:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:07:59,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:07:59,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:07:59,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:07:59,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:07:59,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:59,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:07:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:59,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:59,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:59,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:59,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:59,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:07:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:59,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:59,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:59,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:59,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:07:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:59,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:59,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:59,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:59,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:59,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:59,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:59,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:59,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:59,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [696872857] [2020-09-21 11:07:59,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:59,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:07:59,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869575693] [2020-09-21 11:07:59,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:07:59,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:59,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:07:59,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:07:59,937 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 7 states. [2020-09-21 11:08:00,312 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:01,655 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:02,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:02,352 INFO L93 Difference]: Finished difference Result 334 states and 423 transitions. [2020-09-21 11:08:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:08:02,353 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-09-21 11:08:02,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:02,356 INFO L225 Difference]: With dead ends: 334 [2020-09-21 11:08:02,356 INFO L226 Difference]: Without dead ends: 243 [2020-09-21 11:08:02,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:08:02,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-09-21 11:08:02,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 197. [2020-09-21 11:08:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-09-21 11:08:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2020-09-21 11:08:02,440 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2020-09-21 11:08:02,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:02,441 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2020-09-21 11:08:02,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:08:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2020-09-21 11:08:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:08:02,447 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:02,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:02,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:08:02,448 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:02,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:02,448 INFO L82 PathProgramCache]: Analyzing trace with hash 810215565, now seen corresponding path program 1 times [2020-09-21 11:08:02,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:02,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694277149] [2020-09-21 11:08:02,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:08:02,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-09-21 11:08:02,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:08:02,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:02,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-21 11:08:02,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:03,190 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:03,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:03,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:08:03,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:03,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:03,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:03,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:03,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:03,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:03,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:03,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:03,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:03,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:03,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:03,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:03,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:03,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:03,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:03,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:03,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:03,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:03,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:03,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:03,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:03,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:03,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:03,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:03,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:03,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:08:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:08:03,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:03,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:03,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:08:03,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:03,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:08:03,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:03,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:03,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:03,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:03,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:03,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:03,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:03,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:03,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:03,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:03,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:03,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:03,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:03,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:03,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:03,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:03,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:03,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:03,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:03,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:08:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:03,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:03,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:03,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:03,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:03,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:03,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:08:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:03,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:03,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:03,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:03,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:03,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:03,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:03,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:03,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:03,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:03,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:03,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:03,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:03,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694277149] [2020-09-21 11:08:03,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:03,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:08:03,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637995814] [2020-09-21 11:08:03,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:03,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:03,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:03,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:03,525 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 9 states. [2020-09-21 11:08:04,199 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:05,547 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:05,938 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:06,282 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:06,562 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:07,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:07,922 INFO L93 Difference]: Finished difference Result 582 states and 737 transitions. [2020-09-21 11:08:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:08:07,927 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-09-21 11:08:07,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:07,932 INFO L225 Difference]: With dead ends: 582 [2020-09-21 11:08:07,932 INFO L226 Difference]: Without dead ends: 413 [2020-09-21 11:08:07,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:08:07,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-09-21 11:08:08,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 342. [2020-09-21 11:08:08,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-09-21 11:08:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 394 transitions. [2020-09-21 11:08:08,046 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 394 transitions. Word has length 83 [2020-09-21 11:08:08,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:08,047 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 394 transitions. [2020-09-21 11:08:08,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:08,047 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 394 transitions. [2020-09-21 11:08:08,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-21 11:08:08,049 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:08,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:08,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:08:08,049 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:08,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:08,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1817856655, now seen corresponding path program 1 times [2020-09-21 11:08:08,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:08,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343709278] [2020-09-21 11:08:08,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:08,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:08,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:08,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:08,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:08,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:08:08,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:08,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 558 [2020-09-21 11:08:08,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:08,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:08:08,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:08,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:08:08,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,011 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:09,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:09,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:08:09,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:09,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:09,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:09,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:09,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:09,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:09,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:09,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:09,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:09,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:09,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:09,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:09,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:09,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:09,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:09,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:09,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:09,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:09,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:09,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:09,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:09,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:08:09,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:09,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:08:09,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:08:09,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:09,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:09,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:09,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:09,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:08:09,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:09,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:09,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:09,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:09,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:09,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:09,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:09,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 11:08:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:09,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:09,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:09,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:08:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:09,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:09,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:09,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:09,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343709278] [2020-09-21 11:08:09,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:09,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:09,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308695423] [2020-09-21 11:08:09,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:09,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:09,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:09,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:09,322 INFO L87 Difference]: Start difference. First operand 342 states and 394 transitions. Second operand 10 states. [2020-09-21 11:08:09,782 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:11,173 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:08:11,498 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:11,814 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:12,181 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:13,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:13,522 INFO L93 Difference]: Finished difference Result 762 states and 947 transitions. [2020-09-21 11:08:13,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 11:08:13,523 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 87 [2020-09-21 11:08:13,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:13,528 INFO L225 Difference]: With dead ends: 762 [2020-09-21 11:08:13,528 INFO L226 Difference]: Without dead ends: 448 [2020-09-21 11:08:13,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:08:13,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-09-21 11:08:13,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 341. [2020-09-21 11:08:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-09-21 11:08:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 391 transitions. [2020-09-21 11:08:13,598 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 391 transitions. Word has length 87 [2020-09-21 11:08:13,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:13,598 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 391 transitions. [2020-09-21 11:08:13,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:13,599 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 391 transitions. [2020-09-21 11:08:13,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-21 11:08:13,600 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:13,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:13,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:08:13,601 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:13,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:13,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1046149773, now seen corresponding path program 1 times [2020-09-21 11:08:13,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:13,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653077372] [2020-09-21 11:08:13,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:13,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:13,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:13,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:13,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:13,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-21 11:08:13,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:13,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:08:13,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:13,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:13,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 11:08:13,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:13,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:13,905 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:13,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:13,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:13,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:13,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:13,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:13,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:13,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:13,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:13,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:13,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:13,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:13,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:13,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:13,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:13,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:13,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:13,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:13,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:13,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:13,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:13,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:13,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:13,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:13,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:13,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:13,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:13,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:13,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:13,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:13,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:13,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:13,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:13,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:13,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:13,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:13,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:13,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:13,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:13,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:13,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:13,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:13,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:13,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:13,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:13,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:13,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:13,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:13,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:13,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:13,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:13,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:13,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:13,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:13,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:13,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:13,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:13,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:13,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:13,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:13,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:13,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:13,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:13,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:13,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:13,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:13,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:13,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:13,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:13,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:13,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:13,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:13,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:13,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:13,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:13,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:13,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:13,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:13,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:13,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:13,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:13,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:13,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:13,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:14,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:14,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:14,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:14,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:14,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:14,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:14,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:14,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:08:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:14,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:14,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:14,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:14,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:14,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:14,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:14,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:14,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:14,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:14,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:14,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:14,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:08:14,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:14,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:14,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:14,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:14,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:14,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:14,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:14,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:14,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:14,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:14,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:08:14,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:14,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:14,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:14,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:14,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:14,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:14,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:14,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:14,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:14,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:14,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:14,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:14,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:14,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:14,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:14,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:14,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:14,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:14,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:14,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:14,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:14,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:14,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:14,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:08:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:14,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:14,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:14,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:14,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:14,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:14,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:14,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:14,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:14,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:14,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:08:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:14,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:14,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:14,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:14,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:14,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:14,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:14,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:14,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:14,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:14,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:14,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:14,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:14,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653077372] [2020-09-21 11:08:14,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:14,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:14,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385335614] [2020-09-21 11:08:14,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:14,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:14,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:14,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:14,122 INFO L87 Difference]: Start difference. First operand 341 states and 391 transitions. Second operand 10 states. [2020-09-21 11:08:15,164 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:15,491 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:08:15,833 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:16,131 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:17,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:17,318 INFO L93 Difference]: Finished difference Result 765 states and 956 transitions. [2020-09-21 11:08:17,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:08:17,319 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-09-21 11:08:17,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:17,323 INFO L225 Difference]: With dead ends: 765 [2020-09-21 11:08:17,323 INFO L226 Difference]: Without dead ends: 452 [2020-09-21 11:08:17,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:08:17,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2020-09-21 11:08:17,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 351. [2020-09-21 11:08:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-09-21 11:08:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 401 transitions. [2020-09-21 11:08:17,426 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 401 transitions. Word has length 88 [2020-09-21 11:08:17,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:17,427 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 401 transitions. [2020-09-21 11:08:17,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 401 transitions. [2020-09-21 11:08:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-21 11:08:17,430 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:17,430 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:17,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:08:17,431 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:17,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:17,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1747749647, now seen corresponding path program 1 times [2020-09-21 11:08:17,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:17,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991558437] [2020-09-21 11:08:17,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:17,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -60 [2020-09-21 11:08:17,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 60 [2020-09-21 11:08:17,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-21 11:08:17,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:17,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-21 11:08:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:17,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,752 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:17,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:17,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:17,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:17,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:17,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:08:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:17,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:17,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:17,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:08:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:17,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:17,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:17,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:17,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:08:17,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:17,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:17,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:17,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:17,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:17,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:18,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:08:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:18,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:18,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:18,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:18,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:18,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:18,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:18,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:18,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:18,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:18,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:08:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:18,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:18,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:18,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:18,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:18,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:18,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:18,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:18,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:18,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:18,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:18,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:18,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991558437] [2020-09-21 11:08:18,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:18,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:08:18,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957546212] [2020-09-21 11:08:18,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:18,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:18,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:18,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:18,028 INFO L87 Difference]: Start difference. First operand 351 states and 401 transitions. Second operand 9 states. [2020-09-21 11:08:19,129 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:19,435 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:19,749 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:20,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:20,925 INFO L93 Difference]: Finished difference Result 789 states and 998 transitions. [2020-09-21 11:08:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:08:20,926 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-09-21 11:08:20,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:20,930 INFO L225 Difference]: With dead ends: 789 [2020-09-21 11:08:20,930 INFO L226 Difference]: Without dead ends: 466 [2020-09-21 11:08:20,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:08:20,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-09-21 11:08:21,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 359. [2020-09-21 11:08:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-09-21 11:08:21,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2020-09-21 11:08:21,037 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2020-09-21 11:08:21,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:21,038 INFO L479 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2020-09-21 11:08:21,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2020-09-21 11:08:21,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-21 11:08:21,041 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:21,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:21,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:08:21,042 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:21,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:21,042 INFO L82 PathProgramCache]: Analyzing trace with hash -821736752, now seen corresponding path program 1 times [2020-09-21 11:08:21,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:21,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [426636680] [2020-09-21 11:08:21,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-21 11:08:21,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-09-21 11:08:21,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:08:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:08:21,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:21,595 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:21,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:21,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:08:21,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:21,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:21,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:21,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:21,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:21,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:21,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:21,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:21,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:21,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:21,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:21,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:21,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:21,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:21,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:21,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:21,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:21,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:21,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:21,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:21,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:21,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:08:21,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:08:21,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:21,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:21,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:08:21,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:21,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:21,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:08:21,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:21,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:21,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:21,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:21,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:21,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:21,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:21,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:08:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:21,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:21,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:21,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:21,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:21,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:08:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:21,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:21,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:21,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:21,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:21,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:21,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [426636680] [2020-09-21 11:08:21,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:21,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:08:21,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964337286] [2020-09-21 11:08:21,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:08:21,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:21,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:08:21,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:08:21,895 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 8 states. [2020-09-21 11:08:22,300 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:22,892 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:25,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:25,420 INFO L93 Difference]: Finished difference Result 1108 states and 1449 transitions. [2020-09-21 11:08:25,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:08:25,421 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-09-21 11:08:25,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:25,430 INFO L225 Difference]: With dead ends: 1108 [2020-09-21 11:08:25,430 INFO L226 Difference]: Without dead ends: 777 [2020-09-21 11:08:25,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:08:25,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-21 11:08:25,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 645. [2020-09-21 11:08:25,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-09-21 11:08:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 763 transitions. [2020-09-21 11:08:25,568 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 763 transitions. Word has length 88 [2020-09-21 11:08:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:25,569 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 763 transitions. [2020-09-21 11:08:25,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:08:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 763 transitions. [2020-09-21 11:08:25,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:08:25,572 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:25,573 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:25,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:08:25,573 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:25,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:25,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1708334166, now seen corresponding path program 1 times [2020-09-21 11:08:25,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:25,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492275608] [2020-09-21 11:08:25,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:25,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:25,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:25,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:25,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:25,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:08:25,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:25,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:08:25,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:25,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:08:25,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:08:25,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-21 11:08:25,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,011 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:26,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:26,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:26,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:26,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:26,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:26,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:26,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:26,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:26,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:26,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:08:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:26,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:08:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,137 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:26,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:08:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:26,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:26,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:26,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:26,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:08:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:26,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:26,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:08:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:26,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:26,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492275608] [2020-09-21 11:08:26,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:26,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:08:26,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510248795] [2020-09-21 11:08:26,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:08:26,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:26,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:08:26,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:08:26,215 INFO L87 Difference]: Start difference. First operand 645 states and 763 transitions. Second operand 8 states. [2020-09-21 11:08:26,624 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:29,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:29,267 INFO L93 Difference]: Finished difference Result 1272 states and 1654 transitions. [2020-09-21 11:08:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 11:08:29,267 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-09-21 11:08:29,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:29,275 INFO L225 Difference]: With dead ends: 1272 [2020-09-21 11:08:29,276 INFO L226 Difference]: Without dead ends: 1269 [2020-09-21 11:08:29,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-09-21 11:08:29,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2020-09-21 11:08:29,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1071. [2020-09-21 11:08:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2020-09-21 11:08:29,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1280 transitions. [2020-09-21 11:08:29,529 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1280 transitions. Word has length 92 [2020-09-21 11:08:29,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:29,530 INFO L479 AbstractCegarLoop]: Abstraction has 1071 states and 1280 transitions. [2020-09-21 11:08:29,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:08:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1280 transitions. [2020-09-21 11:08:29,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 11:08:29,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:29,537 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:29,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:08:29,538 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:29,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:29,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1546611492, now seen corresponding path program 1 times [2020-09-21 11:08:29,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:29,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208605468] [2020-09-21 11:08:29,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:29,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:29,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -38 [2020-09-21 11:08:29,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 38 [2020-09-21 11:08:29,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:29,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-21 11:08:29,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:29,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:08:29,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-21 11:08:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-21 11:08:29,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:29,888 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:29,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:29,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:29,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:29,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:29,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:29,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:29,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:29,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:29,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:29,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:29,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:29,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:29,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:29,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:29,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:29,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:29,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:29,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:29,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:29,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:29,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:29,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:29,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:29,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:29,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:29,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:29,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:29,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:29,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:29,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:29,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:29,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:29,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:29,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:29,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:29,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:29,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:29,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:29,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:29,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:29,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:29,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:29,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:29,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:29,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:29,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:29,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:29,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:29,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:29,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:29,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:29,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:29,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:29,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:29,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:29,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:29,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:29,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:29,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:29,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:29,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:29,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:29,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:29,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:29,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:29,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:29,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:29,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:29,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:29,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:29,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:29,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:29,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:29,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:08:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:30,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:30,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:30,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 11:08:30,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:30,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:30,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:08:30,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:30,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:30,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:30,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:30,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:30,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:30,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:30,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:30,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:30,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:30,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:08:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:08:30,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:30,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:30,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:08:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:30,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:30,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:30,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:30,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 11:08:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:30,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:30,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:30,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-09-21 11:08:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:08:30,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:08:30,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:08:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:08:30,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:30,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:30,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:08:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:30,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:30,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:30,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:30,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:08:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:08:30,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:30,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:08:30,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:30,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:30,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:30,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:30,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-21 11:08:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:30,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:30,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:30,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:30,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-21 11:08:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:30,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:30,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:30,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:30,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:30,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-21 11:08:30,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208605468] [2020-09-21 11:08:30,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:08:30,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 11:08:30,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184542764] [2020-09-21 11:08:30,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:08:30,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:30,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:08:30,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:08:30,403 INFO L87 Difference]: Start difference. First operand 1071 states and 1280 transitions. Second operand 15 states. [2020-09-21 11:08:31,251 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:32,098 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:33,303 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:33,791 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:35,268 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:35,588 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:35,925 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:36,272 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:36,591 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:36,932 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:37,304 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:37,637 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:38,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:38,808 INFO L93 Difference]: Finished difference Result 2054 states and 2509 transitions. [2020-09-21 11:08:38,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:08:38,809 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 150 [2020-09-21 11:08:38,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:38,816 INFO L225 Difference]: With dead ends: 2054 [2020-09-21 11:08:38,817 INFO L226 Difference]: Without dead ends: 1011 [2020-09-21 11:08:38,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=450, Invalid=1902, Unknown=0, NotChecked=0, Total=2352 [2020-09-21 11:08:38,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2020-09-21 11:08:39,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 888. [2020-09-21 11:08:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-09-21 11:08:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1015 transitions. [2020-09-21 11:08:39,010 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1015 transitions. Word has length 150 [2020-09-21 11:08:39,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:39,010 INFO L479 AbstractCegarLoop]: Abstraction has 888 states and 1015 transitions. [2020-09-21 11:08:39,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 11:08:39,011 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1015 transitions. [2020-09-21 11:08:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 11:08:39,014 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:39,015 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:39,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:08:39,015 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:39,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:39,015 INFO L82 PathProgramCache]: Analyzing trace with hash 182941043, now seen corresponding path program 1 times [2020-09-21 11:08:39,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:39,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86994380] [2020-09-21 11:08:39,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:39,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -79 [2020-09-21 11:08:39,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 79 [2020-09-21 11:08:39,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-21 11:08:39,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:39,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:39,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-09-21 11:08:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:08:39,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:39,381 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:39,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:39,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:39,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:39,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:08:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 11:08:39,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:08:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:39,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:39,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:08:39,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:39,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:39,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:39,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:08:39,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:39,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:39,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:39,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:39,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:39,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:08:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:08:39,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:39,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:08:39,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:08:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,638 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:08:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:39,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-21 11:08:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:39,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:39,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:39,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:39,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:39,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-21 11:08:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:08:39,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-21 11:08:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-09-21 11:08:39,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86994380] [2020-09-21 11:08:39,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:08:39,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:08:39,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105184184] [2020-09-21 11:08:39,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:39,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:39,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:39,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:39,757 INFO L87 Difference]: Start difference. First operand 888 states and 1015 transitions. Second operand 9 states. [2020-09-21 11:08:41,193 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:42,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:42,890 INFO L93 Difference]: Finished difference Result 1601 states and 1937 transitions. [2020-09-21 11:08:42,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-21 11:08:42,891 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2020-09-21 11:08:42,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:42,892 INFO L225 Difference]: With dead ends: 1601 [2020-09-21 11:08:42,892 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:08:42,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:08:42,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:08:42,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:08:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:08:42,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:08:42,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2020-09-21 11:08:42,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:42,898 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:08:42,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:42,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:08:42,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:08:42,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:08:42,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:08:43,122 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:08:43,333 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:08:43,535 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:08:43,729 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:08:43,913 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:08:44,106 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:08:44,304 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:08:44,481 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:08:44,666 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-21 11:08:44,843 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 196