/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options 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_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:50:52,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:50:52,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:50:52,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:50:52,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:50:52,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:50:52,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:50:52,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:50:52,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:50:52,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:50:52,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:50:52,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:50:52,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:50:52,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:50:52,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:50:52,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:50:52,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:50:52,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:50:52,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:50:52,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:50:52,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:50:52,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:50:52,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:50:52,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:50:52,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:50:52,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:50:52,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:50:52,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:50:52,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:50:52,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:50:52,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:50:52,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:50:52,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:50:52,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:50:52,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:50:52,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:50:52,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:50:52,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:50:52,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:50:52,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:50:52,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:50:52,225 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 [2020-09-24 15:50:52,277 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:50:52,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:50:52,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:50:52,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:50:52,280 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:50:52,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:50:52,281 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:50:52,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:50:52,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:50:52,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:50:52,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:50:52,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:50:52,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:50:52,284 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:50:52,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:50:52,284 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:50:52,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:50:52,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:50:52,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:50:52,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:50:52,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:50:52,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:50:52,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:50:52,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:50:52,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:50:52,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:50:52,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:50:52,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:50:52,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:50:52,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;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; [2020-09-24 15:50:52,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:50:52,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:50:52,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:50:52,801 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:50:52,802 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:50:52,804 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2020-09-24 15:50:52,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69e656115/91a9fac1446c4d1395f67aa770e2dbab/FLAGad96ff6bc [2020-09-24 15:50:53,567 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:50:53,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2020-09-24 15:50:53,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69e656115/91a9fac1446c4d1395f67aa770e2dbab/FLAGad96ff6bc [2020-09-24 15:50:53,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69e656115/91a9fac1446c4d1395f67aa770e2dbab [2020-09-24 15:50:53,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:50:53,814 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:50:53,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:53,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:50:53,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:50:53,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:53" (1/1) ... [2020-09-24 15:50:53,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:53, skipping insertion in model container [2020-09-24 15:50:53,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:53" (1/1) ... [2020-09-24 15:50:53,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:50:53,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:50:54,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:54,420 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:50:54,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:54,585 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:50:54,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:54 WrapperNode [2020-09-24 15:50:54,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:54,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:50:54,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:50:54,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:50:54,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:54" (1/1) ... [2020-09-24 15:50:54,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:54" (1/1) ... [2020-09-24 15:50:54,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:54" (1/1) ... [2020-09-24 15:50:54,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:54" (1/1) ... [2020-09-24 15:50:54,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:54" (1/1) ... [2020-09-24 15:50:54,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:54" (1/1) ... [2020-09-24 15:50:54,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:54" (1/1) ... [2020-09-24 15:50:54,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:50:54,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:50:54,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:50:54,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:50:54,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:54" (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 [2020-09-24 15:50:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:50:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:50:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:50:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:50:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:50:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:50:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:50:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:50:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:50:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:50:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:50:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:50:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:50:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:50:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:50:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:50:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:50:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:50:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:50:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:50:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:50:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:50:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:50:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:50:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:50:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:50:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:50:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:50:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:50:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:50:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:50:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:50:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:50:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:50:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:50:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:50:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:50:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:50:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:50:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:50:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:50:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:50:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:50:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:50:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:50:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:50:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:50:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:50:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:50:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:50:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:50:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:50:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:50:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:50:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:50:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:50:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:50:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:50:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:50:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:50:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:50:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:50:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:50:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:50:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:50:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:50:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:50:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:50:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:50:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:50:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:50:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:50:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:50:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:50:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:50:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:50:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:50:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:50:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:50:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:50:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:50:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:50:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:50:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:50:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:50:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:50:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:50:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:50:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:50:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:50:56,187 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:50:56,187 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:50:56,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:56 BoogieIcfgContainer [2020-09-24 15:50:56,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:50:56,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:50:56,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:50:56,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:50:56,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:50:53" (1/3) ... [2020-09-24 15:50:56,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cc1ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:56, skipping insertion in model container [2020-09-24 15:50:56,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:54" (2/3) ... [2020-09-24 15:50:56,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cc1ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:56, skipping insertion in model container [2020-09-24 15:50:56,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:56" (3/3) ... [2020-09-24 15:50:56,205 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2020-09-24 15:50:56,217 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:50:56,228 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:50:56,251 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:50:56,282 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:50:56,282 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:50:56,282 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:50:56,282 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:50:56,283 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:50:56,283 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:50:56,283 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:50:56,283 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:50:56,311 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-09-24 15:50:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:50:56,329 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:56,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:56,332 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:56,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:56,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1566233941, now seen corresponding path program 1 times [2020-09-24 15:50:56,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:56,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529023490] [2020-09-24 15:50:56,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:56,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:56,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:56,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:56,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:56,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:50:56,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:50:56,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:56,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:56,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:50:56,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:56,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:57,295 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:57,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:57,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:57,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:57,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:57,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:57,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:57,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:57,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:57,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:57,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:57,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:57,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:57,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:57,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:57,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:57,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:57,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:57,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:57,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:57,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:57,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:57,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:57,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:57,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:57,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:57,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:57,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:57,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:57,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:57,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:57,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:57,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:57,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:57,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:57,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:57,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:57,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:57,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:57,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:57,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:57,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:57,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:57,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:57,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:57,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:57,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:57,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:57,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:57,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:57,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:57,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:50:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:57,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:57,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:57,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:57,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:57,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:57,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:57,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:57,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:57,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:57,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:50:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:57,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:57,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:57,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:57,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:57,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:57,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:57,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:57,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:57,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:57,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529023490] [2020-09-24 15:50:57,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:57,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:50:57,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615470919] [2020-09-24 15:50:57,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:50:57,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:57,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:50:57,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:50:57,630 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 3 states. [2020-09-24 15:50:59,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:59,192 INFO L93 Difference]: Finished difference Result 564 states and 670 transitions. [2020-09-24 15:50:59,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:50:59,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:50:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:59,222 INFO L225 Difference]: With dead ends: 564 [2020-09-24 15:50:59,222 INFO L226 Difference]: Without dead ends: 342 [2020-09-24 15:50:59,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:50:59,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-09-24 15:50:59,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 296. [2020-09-24 15:50:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-24 15:50:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 324 transitions. [2020-09-24 15:50:59,353 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 324 transitions. Word has length 142 [2020-09-24 15:50:59,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:59,354 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 324 transitions. [2020-09-24 15:50:59,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:50:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 324 transitions. [2020-09-24 15:50:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:50:59,360 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:59,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:59,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:50:59,361 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:59,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:59,362 INFO L82 PathProgramCache]: Analyzing trace with hash -524191348, now seen corresponding path program 1 times [2020-09-24 15:50:59,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:59,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1315547571] [2020-09-24 15:50:59,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:59,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:59,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:59,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:59,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:59,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:50:59,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:59,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:59,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:59,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:50:59,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:59,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:59,789 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:59,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:59,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:59,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:59,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:59,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:59,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:59,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:59,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:59,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:59,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:59,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:59,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:59,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:59,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:59,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:59,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:59,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:59,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:59,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:59,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:59,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:59,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:59,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:59,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:59,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:59,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:59,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:59,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:59,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:59,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:59,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:59,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:59,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:59,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:59,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:59,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:59,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:59,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:59,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:59,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:59,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:59,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:59,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:59,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:59,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:59,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:59,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:59,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:59,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:59,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:59,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:59,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:59,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:59,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:59,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:59,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:59,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:59,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:59,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:50:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:59,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:59,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:59,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:59,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:59,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:59,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:59,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:59,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:59,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:59,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:59,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:59,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:59,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:50:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:59,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:59,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:59,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:59,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:59,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:59,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:59,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:59,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:59,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:59,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:59,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1315547571] [2020-09-24 15:50:59,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:59,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:50:59,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331640720] [2020-09-24 15:50:59,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:50:59,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:59,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:50:59,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:50:59,970 INFO L87 Difference]: Start difference. First operand 296 states and 324 transitions. Second operand 4 states. [2020-09-24 15:51:00,621 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:01,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:02,000 INFO L93 Difference]: Finished difference Result 471 states and 533 transitions. [2020-09-24 15:51:02,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:51:02,001 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:51:02,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:02,007 INFO L225 Difference]: With dead ends: 471 [2020-09-24 15:51:02,007 INFO L226 Difference]: Without dead ends: 325 [2020-09-24 15:51:02,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:51:02,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-09-24 15:51:02,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 286. [2020-09-24 15:51:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-09-24 15:51:02,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 311 transitions. [2020-09-24 15:51:02,094 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 311 transitions. Word has length 143 [2020-09-24 15:51:02,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:02,095 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 311 transitions. [2020-09-24 15:51:02,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:51:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 311 transitions. [2020-09-24 15:51:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 15:51:02,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:02,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:02,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:51:02,100 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:02,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:02,100 INFO L82 PathProgramCache]: Analyzing trace with hash 2075975327, now seen corresponding path program 1 times [2020-09-24 15:51:02,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:02,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350831570] [2020-09-24 15:51:02,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:02,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:02,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:51:02,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:51:02,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:02,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:51:02,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:02,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:02,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:02,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:02,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:51:02,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:02,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:02,493 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:02,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:02,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:02,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:02,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:02,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:02,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:02,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:02,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:02,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:02,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:02,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:02,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:02,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:02,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:02,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:02,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:02,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:02,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:02,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:02,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:02,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:02,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:02,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:02,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:02,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:02,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:02,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:02,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:02,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:02,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:02,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:02,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:02,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:02,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:02,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:02,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:02,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:02,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:02,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:02,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:02,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:02,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:02,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:02,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:02,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:02,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:02,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:02,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:02,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:02,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:02,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:02,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:02,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:02,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:02,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:02,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:02,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:02,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:02,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:02,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:51:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:02,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:02,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:02,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:02,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:02,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:02,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:02,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:02,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:02,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:02,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:02,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:51:02,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:02,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:51:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:02,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:02,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:02,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:02,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:02,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:02,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:02,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:02,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:02,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:02,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:51:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:02,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:02,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:02,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:02,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:02,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:02,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:02,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:02,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:02,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:02,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:02,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:02,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:51:02,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350831570] [2020-09-24 15:51:02,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:02,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:51:02,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975713864] [2020-09-24 15:51:02,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:51:02,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:02,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:51:02,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:51:02,651 INFO L87 Difference]: Start difference. First operand 286 states and 311 transitions. Second operand 5 states. [2020-09-24 15:51:03,181 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:05,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:05,549 INFO L93 Difference]: Finished difference Result 712 states and 826 transitions. [2020-09-24 15:51:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:51:05,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-24 15:51:05,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:05,556 INFO L225 Difference]: With dead ends: 712 [2020-09-24 15:51:05,557 INFO L226 Difference]: Without dead ends: 536 [2020-09-24 15:51:05,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:51:05,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-09-24 15:51:05,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 452. [2020-09-24 15:51:05,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2020-09-24 15:51:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 503 transitions. [2020-09-24 15:51:05,631 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 503 transitions. Word has length 156 [2020-09-24 15:51:05,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:05,632 INFO L479 AbstractCegarLoop]: Abstraction has 452 states and 503 transitions. [2020-09-24 15:51:05,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:51:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 503 transitions. [2020-09-24 15:51:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:51:05,636 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:05,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:05,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:51:05,636 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:05,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:05,637 INFO L82 PathProgramCache]: Analyzing trace with hash 629376790, now seen corresponding path program 1 times [2020-09-24 15:51:05,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:05,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1221125217] [2020-09-24 15:51:05,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:05,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:05,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:05,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:05,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:05,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:51:05,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:05,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:51:05,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:51:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:51:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:51:05,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,126 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:06,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:06,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:06,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:51:06,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:06,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:06,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:06,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:06,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:06,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:06,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:06,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:06,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:06,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:51:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:06,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:06,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:06,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:51:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:06,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:06,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:06,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:51:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:06,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:51:06,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1221125217] [2020-09-24 15:51:06,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:06,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:51:06,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031057321] [2020-09-24 15:51:06,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:51:06,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:06,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:51:06,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:51:06,459 INFO L87 Difference]: Start difference. First operand 452 states and 503 transitions. Second operand 9 states. [2020-09-24 15:51:06,938 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:08,492 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:08,858 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:09,277 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:09,644 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:10,004 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:10,346 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:10,669 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:12,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:12,524 INFO L93 Difference]: Finished difference Result 1226 states and 1469 transitions. [2020-09-24 15:51:12,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:51:12,525 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-24 15:51:12,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:12,533 INFO L225 Difference]: With dead ends: 1226 [2020-09-24 15:51:12,534 INFO L226 Difference]: Without dead ends: 884 [2020-09-24 15:51:12,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:51:12,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2020-09-24 15:51:12,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 785. [2020-09-24 15:51:12,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2020-09-24 15:51:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 895 transitions. [2020-09-24 15:51:12,732 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 895 transitions. Word has length 161 [2020-09-24 15:51:12,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:12,734 INFO L479 AbstractCegarLoop]: Abstraction has 785 states and 895 transitions. [2020-09-24 15:51:12,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:51:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 895 transitions. [2020-09-24 15:51:12,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:51:12,741 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:12,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:12,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:51:12,741 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:12,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:12,742 INFO L82 PathProgramCache]: Analyzing trace with hash -182206917, now seen corresponding path program 1 times [2020-09-24 15:51:12,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:12,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206482364] [2020-09-24 15:51:12,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:12,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:12,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:12,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:12,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:12,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:51:12,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:51:12,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:12,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:51:12,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:51:12,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:51:12,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,185 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:13,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:13,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:13,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:51:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:13,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:13,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:13,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:13,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:13,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:13,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:13,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:13,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:13,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:13,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:13,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:13,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:13,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:13,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:13,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:13,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:51:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:13,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:13,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:51:13,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:13,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:51:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:13,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:51:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:51:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:13,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:13,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:51:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:13,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:13,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:51:13,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206482364] [2020-09-24 15:51:13,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:13,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:51:13,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712769250] [2020-09-24 15:51:13,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:51:13,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:13,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:51:13,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:51:13,444 INFO L87 Difference]: Start difference. First operand 785 states and 895 transitions. Second operand 6 states. [2020-09-24 15:51:14,129 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:16,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:16,502 INFO L93 Difference]: Finished difference Result 1748 states and 2114 transitions. [2020-09-24 15:51:16,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:51:16,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-09-24 15:51:16,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:16,512 INFO L225 Difference]: With dead ends: 1748 [2020-09-24 15:51:16,512 INFO L226 Difference]: Without dead ends: 1073 [2020-09-24 15:51:16,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:51:16,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2020-09-24 15:51:16,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 977. [2020-09-24 15:51:16,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-09-24 15:51:16,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1116 transitions. [2020-09-24 15:51:16,689 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1116 transitions. Word has length 166 [2020-09-24 15:51:16,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:16,690 INFO L479 AbstractCegarLoop]: Abstraction has 977 states and 1116 transitions. [2020-09-24 15:51:16,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:51:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1116 transitions. [2020-09-24 15:51:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:51:16,692 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:16,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:16,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:51:16,693 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:16,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1402831602, now seen corresponding path program 1 times [2020-09-24 15:51:16,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:16,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308320823] [2020-09-24 15:51:16,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:16,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:16,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:16,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:16,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:16,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:51:16,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:16,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:51:16,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:51:16,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:51:16,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-24 15:51:16,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:17,140 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:17,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:51:17,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:17,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:17,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:17,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:17,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:17,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:17,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:17,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:17,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:17,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:17,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:17,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:51:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:17,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:51:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:17,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:17,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:17,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:51:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:17,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:17,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:17,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:51:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:17,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:51:17,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308320823] [2020-09-24 15:51:17,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:17,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:51:17,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096700362] [2020-09-24 15:51:17,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:51:17,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:17,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:51:17,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:51:17,416 INFO L87 Difference]: Start difference. First operand 977 states and 1116 transitions. Second operand 12 states. [2020-09-24 15:51:18,201 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:19,463 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:19,738 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:20,059 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:20,364 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:51:20,666 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:21,898 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:22,191 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:22,592 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:24,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:24,577 INFO L93 Difference]: Finished difference Result 2055 states and 2567 transitions. [2020-09-24 15:51:24,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:51:24,578 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-09-24 15:51:24,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:24,588 INFO L225 Difference]: With dead ends: 2055 [2020-09-24 15:51:24,588 INFO L226 Difference]: Without dead ends: 1499 [2020-09-24 15:51:24,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:51:24,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2020-09-24 15:51:24,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1308. [2020-09-24 15:51:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1308 states. [2020-09-24 15:51:24,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1546 transitions. [2020-09-24 15:51:24,768 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1546 transitions. Word has length 166 [2020-09-24 15:51:24,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:24,768 INFO L479 AbstractCegarLoop]: Abstraction has 1308 states and 1546 transitions. [2020-09-24 15:51:24,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:51:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1546 transitions. [2020-09-24 15:51:24,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-09-24 15:51:24,775 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:24,775 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:24,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:51:24,776 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:24,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:24,776 INFO L82 PathProgramCache]: Analyzing trace with hash -670303206, now seen corresponding path program 1 times [2020-09-24 15:51:24,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:24,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143631555] [2020-09-24 15:51:24,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-09-24 15:51:24,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:24,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-09-24 15:51:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:24,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,146 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:25,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:25,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:25,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:25,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:25,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:25,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:25,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:25,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:25,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:25,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:25,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:25,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:25,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:25,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:25,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:25,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:25,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:25,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:25,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:25,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:25,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:25,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:25,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:51:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:25,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:25,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:25,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:25,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:25,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:51:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:51:25,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:25,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:25,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-24 15:51:25,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:25,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:25,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:51:25,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:51:25,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:25,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:51:25,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:25,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:51:25,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:25,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:51:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:25,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:51:25,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:25,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:25,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:51:25,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:25,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:25,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:25,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:25,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:25,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:51:25,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:25,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:25,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:25,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:25,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:25,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:25,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:51:25,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 15:51:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:25,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:25,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:51:25,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:25,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:25,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:51:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:25,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:25,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:51:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-09-24 15:51:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:25,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:25,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:25,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 15:51:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:25,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:25,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:25,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:25,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 15:51:25,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143631555] [2020-09-24 15:51:25,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:25,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 15:51:25,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651789787] [2020-09-24 15:51:25,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:51:25,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:25,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:51:25,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:51:25,588 INFO L87 Difference]: Start difference. First operand 1308 states and 1546 transitions. Second operand 13 states. [2020-09-24 15:51:26,909 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:27,573 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:27,863 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:28,179 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:28,482 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:28,800 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:29,103 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:31,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:31,458 INFO L93 Difference]: Finished difference Result 2314 states and 2828 transitions. [2020-09-24 15:51:31,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:51:31,459 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 252 [2020-09-24 15:51:31,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:31,466 INFO L225 Difference]: With dead ends: 2314 [2020-09-24 15:51:31,467 INFO L226 Difference]: Without dead ends: 1116 [2020-09-24 15:51:31,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2020-09-24 15:51:31,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-09-24 15:51:31,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 940. [2020-09-24 15:51:31,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2020-09-24 15:51:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1080 transitions. [2020-09-24 15:51:31,620 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1080 transitions. Word has length 252 [2020-09-24 15:51:31,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:31,621 INFO L479 AbstractCegarLoop]: Abstraction has 940 states and 1080 transitions. [2020-09-24 15:51:31,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:51:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1080 transitions. [2020-09-24 15:51:31,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-09-24 15:51:31,631 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:31,631 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:31,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:51:31,632 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:31,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:31,633 INFO L82 PathProgramCache]: Analyzing trace with hash -198055283, now seen corresponding path program 1 times [2020-09-24 15:51:31,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:31,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744430451] [2020-09-24 15:51:31,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:31,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -76 [2020-09-24 15:51:31,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 76 [2020-09-24 15:51:31,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-09-24 15:51:31,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:51:31,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-24 15:51:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:31,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:32,039 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:32,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:32,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:32,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:32,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:32,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:32,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:51:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:32,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:32,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:51:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:51:32,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:32,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:32,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-24 15:51:32,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:32,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:51:32,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:32,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:32,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:51:32,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:32,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:51:32,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:32,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:51:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:32,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:51:32,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:32,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:32,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:51:32,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:32,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:32,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:32,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:32,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:51:32,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:32,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:32,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:32,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:51:32,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:32,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:32,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:32,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:32,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:51:32,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 15:51:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:32,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:32,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:51:32,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:32,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:32,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:51:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:32,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:51:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:51:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:32,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:51:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:51:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:51:32,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 15:51:32,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:32,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:32,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:32,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:32,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:51:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:32,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:32,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-24 15:51:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:32,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-24 15:51:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:32,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:32,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:32,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,478 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 15:51:32,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744430451] [2020-09-24 15:51:32,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:51:32,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:51:32,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946518906] [2020-09-24 15:51:32,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:51:32,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:32,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:51:32,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:51:32,481 INFO L87 Difference]: Start difference. First operand 940 states and 1080 transitions. Second operand 11 states. [2020-09-24 15:51:33,806 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:34,103 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:34,392 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:34,709 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:35,006 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:36,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:36,659 INFO L93 Difference]: Finished difference Result 1891 states and 2323 transitions. [2020-09-24 15:51:36,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:51:36,663 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 269 [2020-09-24 15:51:36,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:36,669 INFO L225 Difference]: With dead ends: 1891 [2020-09-24 15:51:36,670 INFO L226 Difference]: Without dead ends: 1061 [2020-09-24 15:51:36,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:51:36,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2020-09-24 15:51:36,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 847. [2020-09-24 15:51:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2020-09-24 15:51:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 962 transitions. [2020-09-24 15:51:36,864 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 962 transitions. Word has length 269 [2020-09-24 15:51:36,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:36,865 INFO L479 AbstractCegarLoop]: Abstraction has 847 states and 962 transitions. [2020-09-24 15:51:36,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:51:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 962 transitions. [2020-09-24 15:51:36,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-24 15:51:36,878 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:36,878 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:36,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:51:36,879 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:36,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:36,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1354482904, now seen corresponding path program 1 times [2020-09-24 15:51:36,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:36,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2070696253] [2020-09-24 15:51:36,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 337 [2020-09-24 15:51:37,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:51:37,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:51:37,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:51:37,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-09-24 15:51:37,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,364 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:37,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:37,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:51:37,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:37,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:37,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:37,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:37,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:37,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:37,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:37,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:37,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:37,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:37,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:37,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:51:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:37,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:37,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:51:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:51:37,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 15:51:37,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:51:37,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:51:37,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:51:37,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:37,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:51:37,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:37,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:37,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:37,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:37,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:37,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 15:51:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:37,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:37,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 15:51:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:37,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:37,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:51:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:37,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:37,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:37,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:51:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:51:37,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:51:37,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:51:37,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:51:37,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:51:37,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:37,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:37,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:51:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:51:37,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:37,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:37,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:51:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:37,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:51:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:37,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:37,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-09-24 15:51:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:37,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 15:51:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:37,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 15:51:37,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2070696253] [2020-09-24 15:51:37,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:51:37,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:51:37,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215810701] [2020-09-24 15:51:37,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:51:37,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:37,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:51:37,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:51:37,895 INFO L87 Difference]: Start difference. First operand 847 states and 962 transitions. Second operand 16 states. [2020-09-24 15:51:38,433 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:39,508 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:43,163 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:43,466 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:43,792 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:44,116 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:44,406 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:44,716 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:45,057 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:45,353 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:45,676 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:45,992 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:46,327 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:46,948 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 15:51:47,258 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:47,838 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 15:51:48,148 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191