/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_spec5_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:15:50,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:15:50,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:15:50,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:15:50,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:15:50,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:15:50,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:15:50,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:15:50,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:15:50,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:15:50,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:15:50,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:15:50,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:15:50,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:15:50,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:15:50,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:15:50,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:15:50,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:15:50,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:15:50,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:15:50,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:15:50,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:15:50,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:15:50,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:15:50,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:15:50,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:15:50,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:15:50,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:15:50,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:15:50,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:15:50,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:15:50,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:15:50,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:15:50,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:15:50,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:15:50,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:15:50,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:15:50,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:15:50,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:15:50,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:15:50,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:15:50,266 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 11:15:50,292 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:15:50,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:15:50,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:15:50,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:15:50,295 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:15:50,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:15:50,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:15:50,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:15:50,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:15:50,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:15:50,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:15:50,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:15:50,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:15:50,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:15:50,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:15:50,297 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:15:50,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:15:50,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:15:50,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:15:50,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:15:50,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:15:50,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:50,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:15:50,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:15:50,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:15:50,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:15:50,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:15:50,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:15:50,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:15:50,300 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 11:15:50,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:15:50,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:15:50,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:15:50,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:15:50,791 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:15:50,792 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-09-21 11:15:50,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d7784c40/0e9439696e444356b1e4d886386f992e/FLAG44aa47fd1 [2020-09-21 11:15:51,501 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:51,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-09-21 11:15:51,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d7784c40/0e9439696e444356b1e4d886386f992e/FLAG44aa47fd1 [2020-09-21 11:15:51,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d7784c40/0e9439696e444356b1e4d886386f992e [2020-09-21 11:15:51,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:15:51,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:15:51,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:51,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:15:51,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:15:51,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:51" (1/1) ... [2020-09-21 11:15:51,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:51, skipping insertion in model container [2020-09-21 11:15:51,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:51" (1/1) ... [2020-09-21 11:15:51,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:15:51,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:15:52,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:52,256 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:52,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:52,488 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:52,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:52 WrapperNode [2020-09-21 11:15:52,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:52,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:52,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:52,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:52,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:52" (1/1) ... [2020-09-21 11:15:52,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:52" (1/1) ... [2020-09-21 11:15:52,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:52" (1/1) ... [2020-09-21 11:15:52,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:52" (1/1) ... [2020-09-21 11:15:52,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:52" (1/1) ... [2020-09-21 11:15:52,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:52" (1/1) ... [2020-09-21 11:15:52,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:52" (1/1) ... [2020-09-21 11:15:52,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:52,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:52,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:52,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:52,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:52,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:52,668 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:52,668 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:15:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:15:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:15:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:15:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:15:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:15:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:15:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:15:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:15:53,878 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:15:53,878 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:15:53,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:53 BoogieIcfgContainer [2020-09-21 11:15:53,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:15:53,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:15:53,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:15:53,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:15:53,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:15:51" (1/3) ... [2020-09-21 11:15:53,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fd5e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:53, skipping insertion in model container [2020-09-21 11:15:53,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:52" (2/3) ... [2020-09-21 11:15:53,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fd5e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:53, skipping insertion in model container [2020-09-21 11:15:53,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:53" (3/3) ... [2020-09-21 11:15:53,894 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-09-21 11:15:53,905 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:15:53,915 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:15:53,938 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:15:53,968 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:15:53,969 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:15:53,969 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:15:53,969 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:15:53,969 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:15:53,969 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:15:53,969 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:15:53,969 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:15:53,994 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-09-21 11:15:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:15:54,006 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:54,007 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:54,008 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:54,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:54,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1869542645, now seen corresponding path program 1 times [2020-09-21 11:15:54,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:54,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235663443] [2020-09-21 11:15:54,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:54,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:54,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:54,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:54,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:54,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:15:54,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:54,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:15:54,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:54,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:54,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:15:54,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:54,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:54,853 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:54,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:54,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:54,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:54,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:54,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:54,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:54,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:54,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:54,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:54,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:54,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:54,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:54,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:54,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:54,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:54,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:54,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:54,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:54,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:54,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:54,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:54,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:54,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:54,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:54,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:54,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:54,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:54,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:54,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:54,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:54,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:54,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:54,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:54,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:54,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:54,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:54,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:54,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:54,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:54,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:54,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:54,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:54,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:54,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:54,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:54,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:54,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:54,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:54,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:54,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:54,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:54,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:54,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:54,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:54,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:54,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:54,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:54,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:54,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:54,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:54,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:54,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:54,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:54,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:54,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:54,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:15:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:54,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:54,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:54,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:54,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:54,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:54,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:54,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:54,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:54,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:54,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:55,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:55,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:55,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:15:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:55,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:55,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:55,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:55,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:55,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:55,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:55,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:55,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:55,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235663443] [2020-09-21 11:15:55,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:55,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:15:55,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174638350] [2020-09-21 11:15:55,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:15:55,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:55,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:15:55,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:55,097 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2020-09-21 11:15:56,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:56,271 INFO L93 Difference]: Finished difference Result 299 states and 383 transitions. [2020-09-21 11:15:56,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:15:56,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:15:56,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:56,298 INFO L225 Difference]: With dead ends: 299 [2020-09-21 11:15:56,299 INFO L226 Difference]: Without dead ends: 164 [2020-09-21 11:15:56,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-21 11:15:56,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 136. [2020-09-21 11:15:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-09-21 11:15:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2020-09-21 11:15:56,401 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2020-09-21 11:15:56,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:56,402 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2020-09-21 11:15:56,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:15:56,402 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-09-21 11:15:56,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:15:56,407 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:56,407 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:56,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:15:56,408 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:56,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:56,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1007263159, now seen corresponding path program 1 times [2020-09-21 11:15:56,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:56,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841281117] [2020-09-21 11:15:56,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:15:56,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:15:56,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:15:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,829 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:56,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:56,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:56,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:56,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:15:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:56,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:56,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:15:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:56,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:15:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:56,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841281117] [2020-09-21 11:15:56,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:56,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:56,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836737082] [2020-09-21 11:15:56,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:56,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:56,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:56,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:56,958 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 5 states. [2020-09-21 11:15:57,509 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:58,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:58,390 INFO L93 Difference]: Finished difference Result 244 states and 295 transitions. [2020-09-21 11:15:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:58,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:15:58,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:58,395 INFO L225 Difference]: With dead ends: 244 [2020-09-21 11:15:58,395 INFO L226 Difference]: Without dead ends: 154 [2020-09-21 11:15:58,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 11:15:58,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-09-21 11:15:58,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 127. [2020-09-21 11:15:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-09-21 11:15:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2020-09-21 11:15:58,437 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2020-09-21 11:15:58,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:58,437 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2020-09-21 11:15:58,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:58,438 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2020-09-21 11:15:58,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:15:58,440 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:58,440 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:58,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:15:58,441 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:58,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:58,441 INFO L82 PathProgramCache]: Analyzing trace with hash -706056489, now seen corresponding path program 1 times [2020-09-21 11:15:58,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:58,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32312105] [2020-09-21 11:15:58,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:15:58,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:15:58,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:15:58,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:15:58,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:58,942 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:58,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:59,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:15:59,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:59,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:59,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:59,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:59,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:59,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:59,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:59,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:59,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:59,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:59,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:59,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:59,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:59,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:59,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:59,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:59,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:59,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:59,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:59,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:59,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:59,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:59,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:59,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:59,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:59,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:59,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:59,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:15:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:59,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:59,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:59,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:59,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:59,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:15:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:59,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:59,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:59,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:59,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:59,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:59,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32312105] [2020-09-21 11:15:59,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:59,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:59,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425197264] [2020-09-21 11:15:59,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:59,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:59,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:59,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:59,126 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 5 states. [2020-09-21 11:15:59,494 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:00,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:00,480 INFO L93 Difference]: Finished difference Result 253 states and 310 transitions. [2020-09-21 11:16:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:16:00,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:16:00,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:00,483 INFO L225 Difference]: With dead ends: 253 [2020-09-21 11:16:00,483 INFO L226 Difference]: Without dead ends: 154 [2020-09-21 11:16:00,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 11:16:00,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-09-21 11:16:00,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 127. [2020-09-21 11:16:00,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-09-21 11:16:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2020-09-21 11:16:00,537 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 64 [2020-09-21 11:16:00,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:00,538 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2020-09-21 11:16:00,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2020-09-21 11:16:00,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-09-21 11:16:00,540 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:00,540 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:00,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:16:00,541 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:00,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:00,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1588822882, now seen corresponding path program 1 times [2020-09-21 11:16:00,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:00,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427190915] [2020-09-21 11:16:00,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:16:00,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-09-21 11:16:00,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:16:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:16:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,346 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:01,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:16:01,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:01,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:01,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:01,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:01,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:01,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:01,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:01,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:01,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:01,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:01,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:01,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:01,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:01,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:16:01,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:01,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:16:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:01,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:01,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:01,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:01,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:01,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:01,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:01,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:01,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:01,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-21 11:16:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:16:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:01,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427190915] [2020-09-21 11:16:01,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:01,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:01,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115501160] [2020-09-21 11:16:01,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:01,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:01,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:01,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:01,615 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 8 states. [2020-09-21 11:16:02,051 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:03,614 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:04,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:04,274 INFO L93 Difference]: Finished difference Result 352 states and 438 transitions. [2020-09-21 11:16:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:04,275 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2020-09-21 11:16:04,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:04,281 INFO L225 Difference]: With dead ends: 352 [2020-09-21 11:16:04,281 INFO L226 Difference]: Without dead ends: 253 [2020-09-21 11:16:04,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:16:04,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-09-21 11:16:04,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 210. [2020-09-21 11:16:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-09-21 11:16:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 241 transitions. [2020-09-21 11:16:04,359 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 241 transitions. Word has length 77 [2020-09-21 11:16:04,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:04,361 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 241 transitions. [2020-09-21 11:16:04,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 241 transitions. [2020-09-21 11:16:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-21 11:16:04,368 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:04,369 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:04,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:16:04,369 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:04,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:04,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1801013738, now seen corresponding path program 1 times [2020-09-21 11:16:04,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:04,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511141099] [2020-09-21 11:16:04,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-21 11:16:05,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 625 [2020-09-21 11:16:05,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:16:05,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:05,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-21 11:16:05,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:05,503 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:05,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:16:05,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:05,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:05,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:05,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:05,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:05,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:05,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:05,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:05,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:05,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:05,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:05,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:05,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:05,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:05,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:05,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:05,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:05,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:05,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:05,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:05,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:05,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:16:05,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:05,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:05,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:16:05,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:05,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:05,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:05,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:05,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:05,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:16:05,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:05,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:05,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:05,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:05,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:16:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:05,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:05,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:16:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:16:05,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:05,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:05,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:16:05,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511141099] [2020-09-21 11:16:05,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:05,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:05,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924289421] [2020-09-21 11:16:05,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:05,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:05,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:05,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:05,877 INFO L87 Difference]: Start difference. First operand 210 states and 241 transitions. Second operand 9 states. [2020-09-21 11:16:06,369 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:07,159 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:07,958 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:08,364 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:08,870 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:09,176 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:09,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:09,745 INFO L93 Difference]: Finished difference Result 434 states and 528 transitions. [2020-09-21 11:16:09,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:16:09,746 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-09-21 11:16:09,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:09,750 INFO L225 Difference]: With dead ends: 434 [2020-09-21 11:16:09,750 INFO L226 Difference]: Without dead ends: 252 [2020-09-21 11:16:09,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:16:09,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-09-21 11:16:09,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 209. [2020-09-21 11:16:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-09-21 11:16:09,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2020-09-21 11:16:09,789 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 91 [2020-09-21 11:16:09,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:09,790 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2020-09-21 11:16:09,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:09,790 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2020-09-21 11:16:09,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:16:09,792 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:09,792 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:09,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:16:09,792 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:09,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:09,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1999801536, now seen corresponding path program 1 times [2020-09-21 11:16:09,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:09,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62085847] [2020-09-21 11:16:09,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:16:09,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:09,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-21 11:16:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:09,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,218 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:10,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:10,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:10,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:10,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:10,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:10,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:10,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:16:10,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:10,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:16:10,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:10,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:10,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:16:10,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:10,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:16:10,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:10,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:10,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:10,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:10,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:10,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:10,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:16:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:10,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:16:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:10,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62085847] [2020-09-21 11:16:10,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:10,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:10,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878122992] [2020-09-21 11:16:10,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:10,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:10,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:10,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:10,514 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 9 states. [2020-09-21 11:16:11,778 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:12,098 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:12,450 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:12,755 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:13,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:13,589 INFO L93 Difference]: Finished difference Result 432 states and 522 transitions. [2020-09-21 11:16:13,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:16:13,591 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-09-21 11:16:13,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:13,593 INFO L225 Difference]: With dead ends: 432 [2020-09-21 11:16:13,593 INFO L226 Difference]: Without dead ends: 251 [2020-09-21 11:16:13,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:16:13,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-09-21 11:16:13,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 214. [2020-09-21 11:16:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-09-21 11:16:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 243 transitions. [2020-09-21 11:16:13,644 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 243 transitions. Word has length 92 [2020-09-21 11:16:13,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:13,644 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 243 transitions. [2020-09-21 11:16:13,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 243 transitions. [2020-09-21 11:16:13,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:16:13,646 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:13,646 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:13,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:16:13,647 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:13,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:13,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1298201662, now seen corresponding path program 1 times [2020-09-21 11:16:13,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:13,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1919973207] [2020-09-21 11:16:13,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:13,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -66 [2020-09-21 11:16:13,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 66 [2020-09-21 11:16:13,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:16:13,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:13,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:16:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:13,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,968 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:13,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:14,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:14,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:14,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:14,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:14,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:14,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:14,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:14,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:14,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:14,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:14,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:14,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:14,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:14,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:14,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:14,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:14,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:14,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:14,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:14,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:14,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:14,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:14,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:14,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:16:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:14,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:14,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:14,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:14,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:14,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:14,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:14,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:14,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:14,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:14,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:14,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:14,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:14,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:14,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:14,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:16:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:14,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:14,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:14,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:14,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:16:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,160 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:14,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:14,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:14,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:14,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:14,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1919973207] [2020-09-21 11:16:14,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:14,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:14,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417652150] [2020-09-21 11:16:14,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:14,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:14,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:14,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:14,177 INFO L87 Difference]: Start difference. First operand 214 states and 243 transitions. Second operand 8 states. [2020-09-21 11:16:15,195 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:15,499 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:15,799 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:16,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:16,764 INFO L93 Difference]: Finished difference Result 441 states and 539 transitions. [2020-09-21 11:16:16,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:16:16,765 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-09-21 11:16:16,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:16,769 INFO L225 Difference]: With dead ends: 441 [2020-09-21 11:16:16,769 INFO L226 Difference]: Without dead ends: 255 [2020-09-21 11:16:16,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:16,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-09-21 11:16:16,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 218. [2020-09-21 11:16:16,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-21 11:16:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 247 transitions. [2020-09-21 11:16:16,854 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 247 transitions. Word has length 92 [2020-09-21 11:16:16,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:16,854 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 247 transitions. [2020-09-21 11:16:16,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 247 transitions. [2020-09-21 11:16:16,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:16:16,857 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:16,857 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:16,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:16:16,857 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:16,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:16,858 INFO L82 PathProgramCache]: Analyzing trace with hash 427279235, now seen corresponding path program 1 times [2020-09-21 11:16:16,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:16,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547905186] [2020-09-21 11:16:16,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:16:17,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-21 11:16:17,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:16:17,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,445 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:16:17,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:17,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:17,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:17,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:17,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:17,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:17,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:17,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:17,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:17,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:17,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:17,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:17,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:17,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:17,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:17,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:16:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:16:17,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:17,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:16:17,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:17,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:16:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:17,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:17,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:17,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:17,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:16:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:17,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:16:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:17,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:17,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547905186] [2020-09-21 11:16:17,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:17,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:16:17,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349463779] [2020-09-21 11:16:17,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:16:17,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:17,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:16:17,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:17,731 INFO L87 Difference]: Start difference. First operand 218 states and 247 transitions. Second operand 7 states. [2020-09-21 11:16:18,349 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:18,949 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:20,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:20,925 INFO L93 Difference]: Finished difference Result 613 states and 766 transitions. [2020-09-21 11:16:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:20,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-09-21 11:16:20,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:20,929 INFO L225 Difference]: With dead ends: 613 [2020-09-21 11:16:20,929 INFO L226 Difference]: Without dead ends: 423 [2020-09-21 11:16:20,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:16:20,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-09-21 11:16:20,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 385. [2020-09-21 11:16:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-09-21 11:16:20,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 451 transitions. [2020-09-21 11:16:21,000 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 451 transitions. Word has length 92 [2020-09-21 11:16:21,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:21,000 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 451 transitions. [2020-09-21 11:16:21,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:16:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 451 transitions. [2020-09-21 11:16:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-21 11:16:21,002 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:21,002 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:21,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:16:21,003 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:21,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:21,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1298280163, now seen corresponding path program 1 times [2020-09-21 11:16:21,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:21,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386472254] [2020-09-21 11:16:21,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 11:16:21,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-09-21 11:16:21,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:16:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-21 11:16:21,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,760 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:21,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:16:21,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:21,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:21,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:21,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:21,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:21,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:21,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:21,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:21,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:21,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:22,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:16:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:22,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:16:22,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:22,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:22,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:22,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:22,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:16:22,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:22,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:22,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:22,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:22,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:22,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:22,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 11:16:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:22,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:22,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:16:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:22,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:22,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:22,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:22,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:22,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386472254] [2020-09-21 11:16:22,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:22,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:16:22,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311352055] [2020-09-21 11:16:22,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:22,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:22,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:22,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:22,171 INFO L87 Difference]: Start difference. First operand 385 states and 451 transitions. Second operand 12 states. [2020-09-21 11:16:22,920 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:23,683 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:24,955 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:25,331 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:25,641 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:25,970 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:26,288 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:27,742 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:28,079 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:28,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:28,827 INFO L93 Difference]: Finished difference Result 1059 states and 1322 transitions. [2020-09-21 11:16:28,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:16:28,828 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-09-21 11:16:28,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:28,835 INFO L225 Difference]: With dead ends: 1059 [2020-09-21 11:16:28,835 INFO L226 Difference]: Without dead ends: 772 [2020-09-21 11:16:28,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:16:28,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-09-21 11:16:29,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 662. [2020-09-21 11:16:29,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-09-21 11:16:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 768 transitions. [2020-09-21 11:16:29,037 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 768 transitions. Word has length 96 [2020-09-21 11:16:29,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:29,039 INFO L479 AbstractCegarLoop]: Abstraction has 662 states and 768 transitions. [2020-09-21 11:16:29,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:29,039 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 768 transitions. [2020-09-21 11:16:29,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-21 11:16:29,045 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:29,046 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:29,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:16:29,046 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:29,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:29,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1033047505, now seen corresponding path program 1 times [2020-09-21 11:16:29,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:29,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004237591] [2020-09-21 11:16:29,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:29,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -85 [2020-09-21 11:16:29,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 85 [2020-09-21 11:16:29,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-21 11:16:29,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:16:29,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:16:29,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-09-21 11:16:29,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-09-21 11:16:29,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,516 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:29,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:29,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:29,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:29,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:29,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:29,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:29,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:29,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:29,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:16:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:16:29,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:16:29,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,638 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:29,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:29,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:29,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:16:29,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:29,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:16:29,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:29,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:29,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:29,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:29,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:29,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:16:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:29,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:29,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:29,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:29,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:29,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:29,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:29,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-09-21 11:16:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:29,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:16:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:16:29,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:16:29,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:29,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:29,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:29,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:16:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:29,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:29,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-21 11:16:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:29,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-21 11:16:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:29,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:29,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:16:29,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004237591] [2020-09-21 11:16:29,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:29,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:16:29,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869742939] [2020-09-21 11:16:29,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:29,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:29,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:29,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:29,912 INFO L87 Difference]: Start difference. First operand 662 states and 768 transitions. Second operand 12 states. [2020-09-21 11:16:30,694 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:16:31,478 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:31,832 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:32,636 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:33,027 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:33,913 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:34,206 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:34,544 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:35,222 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:16:35,897 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:36,392 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:37,135 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:37,933 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:38,572 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:39,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:39,310 INFO L93 Difference]: Finished difference Result 1427 states and 1708 transitions. [2020-09-21 11:16:39,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:16:39,311 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 155 [2020-09-21 11:16:39,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:39,319 INFO L225 Difference]: With dead ends: 1427 [2020-09-21 11:16:39,319 INFO L226 Difference]: Without dead ends: 859 [2020-09-21 11:16:39,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=500, Invalid=1480, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:16:39,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-09-21 11:16:39,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 780. [2020-09-21 11:16:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2020-09-21 11:16:39,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 911 transitions. [2020-09-21 11:16:39,528 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 911 transitions. Word has length 155 [2020-09-21 11:16:39,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:39,529 INFO L479 AbstractCegarLoop]: Abstraction has 780 states and 911 transitions. [2020-09-21 11:16:39,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:39,529 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 911 transitions. [2020-09-21 11:16:39,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-09-21 11:16:39,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:39,535 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:16:39,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:16:39,536 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:39,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:39,536 INFO L82 PathProgramCache]: Analyzing trace with hash 927207093, now seen corresponding path program 1 times [2020-09-21 11:16:39,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:39,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1093874234] [2020-09-21 11:16:39,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:39,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:39,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:39,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:39,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:39,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 384 [2020-09-21 11:16:39,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:39,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:16:39,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:16:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-09-21 11:16:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 11:16:39,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:39,979 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:39,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:39,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:39,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:39,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:39,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:39,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:39,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:39,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:39,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:39,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:16:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:16:40,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:40,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:40,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:16:40,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:40,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:40,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:40,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:40,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:40,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:40,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:40,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:40,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:40,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:16:40,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:40,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:40,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:16:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:16:40,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:16:40,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:40,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:40,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:16:40,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:40,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:40,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:40,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:40,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:40,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:40,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:16:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:16:40,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:40,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:16:40,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:40,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:16:40,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:16:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:40,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:40,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:40,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:16:40,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:40,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:40,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:40,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:40,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-21 11:16:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:16:40,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 11:16:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:40,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:16:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:16:40,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:40,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:40,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:16:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:16:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:40,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-21 11:16:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-21 11:16:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:40,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:40,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-21 11:16:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:40,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-21 11:16:40,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:40,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:40,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:40,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-21 11:16:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-21 11:16:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 77 proven. 35 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-09-21 11:16:40,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1093874234] [2020-09-21 11:16:40,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:40,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-21 11:16:40,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485882640] [2020-09-21 11:16:40,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-21 11:16:40,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:40,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-21 11:16:40,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:16:40,971 INFO L87 Difference]: Start difference. First operand 780 states and 911 transitions. Second operand 17 states. [2020-09-21 11:16:41,947 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:43,516 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:16:44,391 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:44,782 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:45,131 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:45,482 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 192