/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_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:17:13,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:17:13,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:17:13,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:17:13,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:17:13,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:17:13,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:17:13,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:17:13,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:17:13,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:17:13,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:17:13,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:17:13,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:17:13,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:17:13,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:17:13,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:17:13,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:17:13,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:17:13,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:17:13,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:17:13,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:17:13,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:17:13,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:17:13,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:17:13,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:17:13,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:17:13,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:17:13,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:17:13,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:17:13,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:17:13,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:17:13,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:17:13,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:17:13,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:17:13,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:17:13,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:17:13,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:17:13,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:17:13,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:17:13,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:17:13,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:17:13,394 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 11:17:13,453 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:17:13,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:17:13,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:17:13,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:17:13,455 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:17:13,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:17:13,455 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:17:13,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:17:13,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:17:13,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:17:13,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:17:13,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:17:13,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:17:13,457 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:17:13,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:17:13,459 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:17:13,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:17:13,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:17:13,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:17:13,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:17:13,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:17:13,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:17:13,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:17:13,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:17:13,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:17:13,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:17:13,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:17:13,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:17:13,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:17:13,461 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 11:17:13,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:17:13,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:17:13,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:17:13,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:17:13,979 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:17:13,980 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-09-21 11:17:14,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9d33984a/0a3dfaf06ad549c6898cdd2a36f7f4a7/FLAG607c00cde [2020-09-21 11:17:14,629 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:17:14,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-09-21 11:17:14,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9d33984a/0a3dfaf06ad549c6898cdd2a36f7f4a7/FLAG607c00cde [2020-09-21 11:17:14,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9d33984a/0a3dfaf06ad549c6898cdd2a36f7f4a7 [2020-09-21 11:17:14,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:17:14,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:17:14,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:17:14,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:17:14,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:17:14,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:17:14" (1/1) ... [2020-09-21 11:17:14,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eaab776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:14, skipping insertion in model container [2020-09-21 11:17:14,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:17:14" (1/1) ... [2020-09-21 11:17:14,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:17:15,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:17:15,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:17:15,535 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:17:15,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:17:15,700 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:17:15,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:15 WrapperNode [2020-09-21 11:17:15,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:17:15,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:17:15,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:17:15,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:17:15,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:15" (1/1) ... [2020-09-21 11:17:15,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:15" (1/1) ... [2020-09-21 11:17:15,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:15" (1/1) ... [2020-09-21 11:17:15,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:15" (1/1) ... [2020-09-21 11:17:15,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:15" (1/1) ... [2020-09-21 11:17:15,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:15" (1/1) ... [2020-09-21 11:17:15,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:15" (1/1) ... [2020-09-21 11:17:15,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:17:15,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:17:15,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:17:15,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:17:15,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:15" (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 11:17:15,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:17:15,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:17:15,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:17:15,912 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:17:15,912 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:17:15,912 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:17:15,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:17:15,913 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:17:15,913 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:17:15,914 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:17:15,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:17:15,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:17:15,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:17:15,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:17:15,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:17:15,916 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:17:15,916 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:17:15,916 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:17:15,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:17:15,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:17:15,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:17:15,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:17:15,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:17:15,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:17:15,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:17:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:17:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:17:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:17:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:17:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:17:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:17:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:17:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:17:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:17:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:17:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:17:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:17:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:17:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:17:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:17:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:17:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:17:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:17:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:17:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:17:15,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:17:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:17:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:17:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:17:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:17:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:17:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:17:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:17:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:17:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:17:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:17:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:17:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:17:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:17:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:17:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:17:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:17:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:17:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:17:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:17:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:17:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:17:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:17:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:17:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:17:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:17:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:17:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:17:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:17:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:17:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:17:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:17:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:17:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:17:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:17:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:17:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:17:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:17:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:17:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:17:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:17:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:17:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:17:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:17:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:17:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:17:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:17:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:17:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:17:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:17:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:17:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:17:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:17:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:17:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:17:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:17:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:17:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:17:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:17:17,244 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:17:17,244 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:17:17,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:17:17 BoogieIcfgContainer [2020-09-21 11:17:17,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:17:17,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:17:17,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:17:17,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:17:17,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:17:14" (1/3) ... [2020-09-21 11:17:17,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e3c06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:17:17, skipping insertion in model container [2020-09-21 11:17:17,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:15" (2/3) ... [2020-09-21 11:17:17,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e3c06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:17:17, skipping insertion in model container [2020-09-21 11:17:17,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:17:17" (3/3) ... [2020-09-21 11:17:17,266 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2020-09-21 11:17:17,278 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:17:17,290 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:17:17,313 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:17:17,342 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:17:17,343 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:17:17,343 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:17:17,343 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:17:17,343 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:17:17,343 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:17:17,343 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:17:17,343 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:17:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-09-21 11:17:17,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:17:17,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:17,386 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 11:17:17,386 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:17,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:17,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1771327782, now seen corresponding path program 1 times [2020-09-21 11:17:17,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:17,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955687458] [2020-09-21 11:17:17,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:17:17,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:17:17,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:17:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:18,208 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:18,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:18,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:18,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:18,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:18,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:18,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:18,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:18,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:18,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:18,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:18,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:18,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:18,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:18,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:18,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:18,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:18,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:18,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:18,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:18,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:18,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:18,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:18,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:18,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:18,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:18,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:18,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:18,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:18,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:18,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:18,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:18,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:18,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:18,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:18,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:18,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:18,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:18,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:18,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:18,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:18,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:18,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:18,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:18,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:18,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:18,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:18,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:18,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:18,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:18,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:18,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:18,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:18,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:18,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:18,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:18,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:18,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:18,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:18,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:18,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:18,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:18,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:18,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:18,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:18,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:18,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:18,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:18,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:18,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:18,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:18,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:18,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:18,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:18,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:18,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:18,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:18,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:18,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:18,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:18,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:18,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:18,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:18,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:18,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:18,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:18,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:18,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:18,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:18,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:18,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:18,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:18,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:18,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:18,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:17:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:18,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:18,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:18,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:18,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:18,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:18,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:18,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:18,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:18,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:18,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:17:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:18,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:18,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:18,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:18,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:18,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:18,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:18,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:18,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:18,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:18,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:18,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955687458] [2020-09-21 11:17:18,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:18,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:17:18,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640949630] [2020-09-21 11:17:18,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:17:18,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:18,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:17:18,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:17:18,478 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2020-09-21 11:17:19,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:19,625 INFO L93 Difference]: Finished difference Result 360 states and 456 transitions. [2020-09-21 11:17:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:17:19,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:17:19,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:19,646 INFO L225 Difference]: With dead ends: 360 [2020-09-21 11:17:19,647 INFO L226 Difference]: Without dead ends: 198 [2020-09-21 11:17:19,653 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 11:17:19,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-09-21 11:17:19,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 163. [2020-09-21 11:17:19,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-09-21 11:17:19,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 190 transitions. [2020-09-21 11:17:19,780 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 190 transitions. Word has length 59 [2020-09-21 11:17:19,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:19,781 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 190 transitions. [2020-09-21 11:17:19,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:17:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 190 transitions. [2020-09-21 11:17:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:17:19,785 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:19,785 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 11:17:19,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:17:19,786 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:19,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:19,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1467126020, now seen corresponding path program 1 times [2020-09-21 11:17:19,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:19,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631126680] [2020-09-21 11:17:19,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:17:19,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:17:19,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:19,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:17:19,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:19,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,256 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:20,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:20,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:20,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:20,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:17:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:20,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:17:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:20,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:17:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,378 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 11:17:20,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631126680] [2020-09-21 11:17:20,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:20,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:17:20,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080354612] [2020-09-21 11:17:20,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:17:20,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:20,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:17:20,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:17:20,382 INFO L87 Difference]: Start difference. First operand 163 states and 190 transitions. Second operand 5 states. [2020-09-21 11:17:20,884 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:21,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:21,935 INFO L93 Difference]: Finished difference Result 295 states and 356 transitions. [2020-09-21 11:17:21,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:17:21,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:17:21,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:21,942 INFO L225 Difference]: With dead ends: 295 [2020-09-21 11:17:21,942 INFO L226 Difference]: Without dead ends: 188 [2020-09-21 11:17:21,944 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 11:17:21,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-09-21 11:17:21,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 154. [2020-09-21 11:17:21,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-09-21 11:17:21,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2020-09-21 11:17:21,988 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 60 [2020-09-21 11:17:21,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:21,989 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2020-09-21 11:17:21,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:17:21,989 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2020-09-21 11:17:21,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:17:21,991 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:21,991 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] [2020-09-21 11:17:21,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:17:21,992 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:21,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:21,992 INFO L82 PathProgramCache]: Analyzing trace with hash 2049486337, now seen corresponding path program 1 times [2020-09-21 11:17:21,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:21,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869646363] [2020-09-21 11:17:21,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:22,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:17:22,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-09-21 11:17:22,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:17:22,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:22,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:17:22,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,746 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:22,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:17:22,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:22,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:22,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:22,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:22,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:22,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:22,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:22,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:22,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:22,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:17:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:22,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:22,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:17:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:17:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,926 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 11:17:22,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869646363] [2020-09-21 11:17:22,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:22,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:17:22,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228045672] [2020-09-21 11:17:22,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:17:22,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:22,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:17:22,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:17:22,928 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand 5 states. [2020-09-21 11:17:23,272 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:25,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:25,396 INFO L93 Difference]: Finished difference Result 450 states and 546 transitions. [2020-09-21 11:17:25,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:17:25,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:17:25,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:25,402 INFO L225 Difference]: With dead ends: 450 [2020-09-21 11:17:25,402 INFO L226 Difference]: Without dead ends: 324 [2020-09-21 11:17:25,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:25,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-09-21 11:17:25,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 270. [2020-09-21 11:17:25,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-09-21 11:17:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 319 transitions. [2020-09-21 11:17:25,463 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 319 transitions. Word has length 65 [2020-09-21 11:17:25,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:25,464 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 319 transitions. [2020-09-21 11:17:25,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:17:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 319 transitions. [2020-09-21 11:17:25,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:17:25,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:25,467 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] [2020-09-21 11:17:25,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:17:25,467 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:25,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:25,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1476281748, now seen corresponding path program 1 times [2020-09-21 11:17:25,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:25,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467488327] [2020-09-21 11:17:25,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:25,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:25,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:25,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:25,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:25,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:17:25,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:25,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-09-21 11:17:25,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:25,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:17:25,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:25,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:17:25,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:26,509 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:26,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:26,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-21 11:17:26,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:26,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:26,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:26,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:26,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:26,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:26,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:26,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:26,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:26,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:26,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:26,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:26,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:26,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:26,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:26,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:26,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:26,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:26,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:26,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:26,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:26,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:26,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:26,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:26,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:26,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:26,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:26,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:26,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:26,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:26,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:26,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:26,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:17:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:26,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:26,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:26,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:26,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:26,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:26,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:26,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:26,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:26,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:26,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:17:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:26,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:26,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:26,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:26,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:26,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:26,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:17:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:26,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:26,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:26,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:26,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:26,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:26,874 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 11:17:26,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467488327] [2020-09-21 11:17:26,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:26,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:26,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727596111] [2020-09-21 11:17:26,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:26,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:26,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:26,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:26,879 INFO L87 Difference]: Start difference. First operand 270 states and 319 transitions. Second operand 9 states. [2020-09-21 11:17:27,311 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:28,149 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:29,233 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:29,593 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:30,151 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:30,448 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:31,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:31,050 INFO L93 Difference]: Finished difference Result 716 states and 917 transitions. [2020-09-21 11:17:31,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:17:31,051 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 11:17:31,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:31,061 INFO L225 Difference]: With dead ends: 716 [2020-09-21 11:17:31,061 INFO L226 Difference]: Without dead ends: 474 [2020-09-21 11:17:31,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:17:31,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-09-21 11:17:31,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 412. [2020-09-21 11:17:31,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-09-21 11:17:31,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 491 transitions. [2020-09-21 11:17:31,175 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 491 transitions. Word has length 70 [2020-09-21 11:17:31,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:31,175 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 491 transitions. [2020-09-21 11:17:31,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 491 transitions. [2020-09-21 11:17:31,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-21 11:17:31,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:31,180 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:31,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:17:31,180 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:31,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:31,181 INFO L82 PathProgramCache]: Analyzing trace with hash 340334758, now seen corresponding path program 1 times [2020-09-21 11:17:31,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:31,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696346067] [2020-09-21 11:17:31,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-09-21 11:17:31,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:31,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-09-21 11:17:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:31,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,532 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:31,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:31,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:31,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:31,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:17:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:31,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:17:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:31,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:17:31,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:31,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:17:31,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:31,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:31,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:31,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:17:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:31,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:31,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:31,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:17:31,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:31,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:31,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:17:31,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:31,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:17:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:31,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:17:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,815 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 11:17:31,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1696346067] [2020-09-21 11:17:31,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:31,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:31,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297505538] [2020-09-21 11:17:31,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:31,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:31,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:31,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:31,818 INFO L87 Difference]: Start difference. First operand 412 states and 491 transitions. Second operand 9 states. [2020-09-21 11:17:33,006 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:33,304 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:33,635 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:33,941 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:35,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:35,009 INFO L93 Difference]: Finished difference Result 875 states and 1113 transitions. [2020-09-21 11:17:35,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:17:35,010 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-09-21 11:17:35,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:35,014 INFO L225 Difference]: With dead ends: 875 [2020-09-21 11:17:35,014 INFO L226 Difference]: Without dead ends: 491 [2020-09-21 11:17:35,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:17:35,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-09-21 11:17:35,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 425. [2020-09-21 11:17:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-09-21 11:17:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 505 transitions. [2020-09-21 11:17:35,094 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 505 transitions. Word has length 108 [2020-09-21 11:17:35,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:35,094 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 505 transitions. [2020-09-21 11:17:35,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 505 transitions. [2020-09-21 11:17:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-21 11:17:35,096 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:35,096 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:35,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:17:35,097 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:35,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:35,097 INFO L82 PathProgramCache]: Analyzing trace with hash -2026359836, now seen corresponding path program 1 times [2020-09-21 11:17:35,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:35,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [689002769] [2020-09-21 11:17:35,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:35,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -67 [2020-09-21 11:17:35,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 67 [2020-09-21 11:17:35,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-09-21 11:17:35,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:35,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-21 11:17:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:35,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:35,389 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:35,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:35,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:35,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:35,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:35,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:35,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:35,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:35,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:17:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:35,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:35,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:35,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:17:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:35,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:35,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:17:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:35,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:35,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:35,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:17:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:35,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:35,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:35,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:17:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:35,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:35,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:35,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:35,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:35,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:17:35,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:35,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:17:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:17:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:35,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,622 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 11:17:35,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [689002769] [2020-09-21 11:17:35,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:35,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:17:35,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466755069] [2020-09-21 11:17:35,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:17:35,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:35,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:17:35,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:17:35,624 INFO L87 Difference]: Start difference. First operand 425 states and 505 transitions. Second operand 8 states. [2020-09-21 11:17:36,652 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:36,972 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:37,296 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:38,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:38,202 INFO L93 Difference]: Finished difference Result 898 states and 1137 transitions. [2020-09-21 11:17:38,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:17:38,205 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2020-09-21 11:17:38,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:38,210 INFO L225 Difference]: With dead ends: 898 [2020-09-21 11:17:38,210 INFO L226 Difference]: Without dead ends: 501 [2020-09-21 11:17:38,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:38,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-09-21 11:17:38,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 433. [2020-09-21 11:17:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-09-21 11:17:38,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 513 transitions. [2020-09-21 11:17:38,324 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 513 transitions. Word has length 108 [2020-09-21 11:17:38,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:38,324 INFO L479 AbstractCegarLoop]: Abstraction has 433 states and 513 transitions. [2020-09-21 11:17:38,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:17:38,325 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 513 transitions. [2020-09-21 11:17:38,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-21 11:17:38,327 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:38,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:38,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:17:38,327 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:38,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:38,328 INFO L82 PathProgramCache]: Analyzing trace with hash 2028067331, now seen corresponding path program 1 times [2020-09-21 11:17:38,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:38,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285160387] [2020-09-21 11:17:38,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:38,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:38,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:38,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:38,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:38,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-09-21 11:17:38,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:38,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-21 11:17:38,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:17:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:17:38,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,028 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:39,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:17:39,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:39,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:39,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:39,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:39,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:39,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:39,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:39,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:17:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:39,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:39,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:17:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:39,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:17:39,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:17:39,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:39,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:39,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:17:39,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:39,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:39,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:17:39,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:39,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:39,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:39,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:39,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:39,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:17:39,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:39,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:17:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:39,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:17:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:39,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,383 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 11:17:39,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285160387] [2020-09-21 11:17:39,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:39,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:17:39,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026316333] [2020-09-21 11:17:39,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:17:39,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:39,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:17:39,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:39,386 INFO L87 Difference]: Start difference. First operand 433 states and 513 transitions. Second operand 7 states. [2020-09-21 11:17:39,759 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:40,314 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:42,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:42,868 INFO L93 Difference]: Finished difference Result 1295 states and 1659 transitions. [2020-09-21 11:17:42,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:17:42,869 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2020-09-21 11:17:42,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:42,875 INFO L225 Difference]: With dead ends: 1295 [2020-09-21 11:17:42,876 INFO L226 Difference]: Without dead ends: 890 [2020-09-21 11:17:42,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 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 11:17:42,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2020-09-21 11:17:43,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 824. [2020-09-21 11:17:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2020-09-21 11:17:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 994 transitions. [2020-09-21 11:17:43,026 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 994 transitions. Word has length 108 [2020-09-21 11:17:43,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:43,027 INFO L479 AbstractCegarLoop]: Abstraction has 824 states and 994 transitions. [2020-09-21 11:17:43,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:17:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 994 transitions. [2020-09-21 11:17:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-21 11:17:43,031 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:43,031 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:43,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:17:43,031 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:43,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:43,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1144962269, now seen corresponding path program 1 times [2020-09-21 11:17:43,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:43,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627733995] [2020-09-21 11:17:43,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:43,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:43,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:43,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:43,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:43,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-09-21 11:17:43,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:43,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 440 [2020-09-21 11:17:43,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:43,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:17:43,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:43,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-21 11:17:43,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:43,931 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:43,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:43,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:43,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:43,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:43,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:43,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:43,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:43,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:17:43,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:43,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:43,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:43,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:43,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:44,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:44,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:44,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:44,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:44,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:44,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:44,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:44,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:44,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:44,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:44,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:44,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:44,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:44,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:44,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:44,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:44,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:44,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:44,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:44,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:17:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:44,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:17:44,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:44,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:44,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:44,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:44,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:44,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:44,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:44,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:17:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:44,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:44,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:44,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:17:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:44,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:44,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:44,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:44,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:44,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:44,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:44,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:44,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:44,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:44,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:44,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:44,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:44,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:44,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:44,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:44,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:44,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:44,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:44,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:44,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:44,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:44,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:44,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:44,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:44,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:44,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:44,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-09-21 11:17:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:44,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:44,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:44,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:44,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-21 11:17:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:44,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:44,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:44,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:44,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:44,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:44,432 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 11:17:44,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627733995] [2020-09-21 11:17:44,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:44,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:17:44,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160337621] [2020-09-21 11:17:44,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:17:44,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:44,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:17:44,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:44,440 INFO L87 Difference]: Start difference. First operand 824 states and 994 transitions. Second operand 12 states. [2020-09-21 11:17:44,898 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:45,645 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:46,475 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:46,879 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:47,192 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:47,519 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:47,887 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:50,370 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:50,752 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:51,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:51,683 INFO L93 Difference]: Finished difference Result 2375 states and 3056 transitions. [2020-09-21 11:17:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:17:51,689 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-09-21 11:17:51,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:51,701 INFO L225 Difference]: With dead ends: 2375 [2020-09-21 11:17:51,701 INFO L226 Difference]: Without dead ends: 1728 [2020-09-21 11:17:51,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:17:51,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2020-09-21 11:17:51,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1466. [2020-09-21 11:17:51,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1466 states. [2020-09-21 11:17:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1759 transitions. [2020-09-21 11:17:51,957 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1759 transitions. Word has length 112 [2020-09-21 11:17:51,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:51,958 INFO L479 AbstractCegarLoop]: Abstraction has 1466 states and 1759 transitions. [2020-09-21 11:17:51,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:17:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1759 transitions. [2020-09-21 11:17:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-21 11:17:51,961 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:51,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:17:51,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:17:51,962 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:51,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:51,963 INFO L82 PathProgramCache]: Analyzing trace with hash 215857978, now seen corresponding path program 1 times [2020-09-21 11:17:51,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:51,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164464623] [2020-09-21 11:17:51,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-21 11:17:52,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:52,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:17:52,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:17:52,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:52,351 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:52,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:52,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:52,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:52,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:52,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:17:52,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:17:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:52,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:52,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:52,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:52,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:17:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:17:52,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:52,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:52,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:17:52,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:17:52,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:52,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:52,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:52,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:52,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:17:52,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:52,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:52,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:52,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:52,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:52,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:17:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:52,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:52,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-21 11:17:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:52,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-21 11:17:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:52,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-21 11:17:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:52,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-21 11:17:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:52,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:52,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:17:52,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164464623] [2020-09-21 11:17:52,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:52,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:17:52,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393073972] [2020-09-21 11:17:52,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:17:52,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:52,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:17:52,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:17:52,869 INFO L87 Difference]: Start difference. First operand 1466 states and 1759 transitions. Second operand 10 states. [2020-09-21 11:17:53,267 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:54,013 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:56,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:56,707 INFO L93 Difference]: Finished difference Result 2569 states and 3135 transitions. [2020-09-21 11:17:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:17:56,707 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 153 [2020-09-21 11:17:56,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:56,714 INFO L225 Difference]: With dead ends: 2569 [2020-09-21 11:17:56,714 INFO L226 Difference]: Without dead ends: 1131 [2020-09-21 11:17:56,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:17:56,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2020-09-21 11:17:56,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1019. [2020-09-21 11:17:56,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2020-09-21 11:17:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1197 transitions. [2020-09-21 11:17:56,888 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1197 transitions. Word has length 153 [2020-09-21 11:17:56,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:56,888 INFO L479 AbstractCegarLoop]: Abstraction has 1019 states and 1197 transitions. [2020-09-21 11:17:56,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:17:56,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1197 transitions. [2020-09-21 11:17:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-21 11:17:56,891 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:56,892 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:17:56,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:17:56,892 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:56,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:56,892 INFO L82 PathProgramCache]: Analyzing trace with hash 164237146, now seen corresponding path program 1 times [2020-09-21 11:17:56,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:56,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403603389] [2020-09-21 11:17:56,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:56,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:56,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -105 [2020-09-21 11:17:56,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 105 [2020-09-21 11:17:56,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:56,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-09-21 11:17:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:17:56,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:17:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-09-21 11:17:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-21 11:17:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,323 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:57,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:57,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:57,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:57,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:57,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:57,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:17:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:17:57,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 11:17:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:57,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:57,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:57,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:57,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:17:57,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:57,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:17:57,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:57,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:17:57,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:57,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:57,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:17:57,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:57,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:57,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:57,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:57,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:17:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:57,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:57,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:17:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:57,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:57,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:57,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:57,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:57,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:57,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:57,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-21 11:17:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:57,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-21 11:17:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:17:57,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:17:57,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:17:57,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:57,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:17:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:57,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:57,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-21 11:17:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:57,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-21 11:17:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:57,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:17:57,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403603389] [2020-09-21 11:17:57,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:57,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:17:57,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493565975] [2020-09-21 11:17:57,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:17:57,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:57,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:17:57,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:57,873 INFO L87 Difference]: Start difference. First operand 1019 states and 1197 transitions. Second operand 12 states. [2020-09-21 11:17:58,325 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:59,200 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:59,562 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:59,999 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:18:00,373 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:18:01,858 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:02,500 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:03,117 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-21 11:18:03,515 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:04,175 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:04,655 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:05,101 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:18:05,979 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:18:06,654 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-21 11:18:07,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:07,482 INFO L93 Difference]: Finished difference Result 2209 states and 2664 transitions. [2020-09-21 11:18:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-21 11:18:07,483 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 174 [2020-09-21 11:18:07,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:07,492 INFO L225 Difference]: With dead ends: 2209 [2020-09-21 11:18:07,492 INFO L226 Difference]: Without dead ends: 1332 [2020-09-21 11:18:07,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 68 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=500, Invalid=1480, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:18:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2020-09-21 11:18:07,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1173. [2020-09-21 11:18:07,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1173 states. [2020-09-21 11:18:07,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1353 transitions. [2020-09-21 11:18:07,748 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1353 transitions. Word has length 174 [2020-09-21 11:18:07,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:07,749 INFO L479 AbstractCegarLoop]: Abstraction has 1173 states and 1353 transitions. [2020-09-21 11:18:07,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:18:07,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1353 transitions. [2020-09-21 11:18:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-09-21 11:18:07,760 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:07,761 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, 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, 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 11:18:07,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:18:07,762 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:07,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:07,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1190190750, now seen corresponding path program 1 times [2020-09-21 11:18:07,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:07,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313909609] [2020-09-21 11:18:07,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 434 [2020-09-21 11:18:07,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:18:07,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:18:07,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-09-21 11:18:07,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:18:07,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,178 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:08,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:08,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:08,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:08,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:18:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:18:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:18:08,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:18:08,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:08,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 11:18:08,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:08,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:18:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:08,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:08,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:08,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:08,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:08,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:08,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:18:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:18:08,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:18:08,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:18:08,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:08,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:18:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:08,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-21 11:18:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:18:08,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:18:08,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:18:08,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:18:08,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:18:08,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:08,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:08,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:18:08,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:18:08,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:08,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:18:08,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:18:08,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:18:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:18:08,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:18:08,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:18:08,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:18:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:08,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:08,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:18:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:18:08,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:18:08,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:18:08,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:18:08,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:08,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:18:08,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:08,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-21 11:18:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:18:08,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 11:18:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:08,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:18:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:18:08,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:18:08,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:18:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:18:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:18:08,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:08,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-21 11:18:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:08,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-21 11:18:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:08,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:18:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-09-21 11:18:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:08,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-21 11:18:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:08,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:08,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:08,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:08,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:08,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-09-21 11:18:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:08,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:08,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-21 11:18:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 84 proven. 29 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2020-09-21 11:18:09,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313909609] [2020-09-21 11:18:09,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:18:09,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 11:18:09,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956786380] [2020-09-21 11:18:09,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:18:09,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:09,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:18:09,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:18:09,142 INFO L87 Difference]: Start difference. First operand 1173 states and 1353 transitions. Second operand 15 states.