/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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:49:57,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:49:57,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:49:57,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:49:57,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:49:57,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:49:57,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:49:57,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:49:57,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:49:57,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:49:57,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:49:57,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:49:57,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:49:57,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:49:57,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:49:57,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:49:57,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:49:57,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:49:57,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:49:57,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:49:57,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:49:57,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:49:57,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:49:57,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:49:57,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:49:57,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:49:57,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:49:57,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:49:57,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:49:57,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:49:57,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:49:57,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:49:57,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:49:57,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:49:57,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:49:57,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:49:57,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:49:57,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:49:57,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:49:57,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:49:57,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:49:57,998 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 15:49:58,046 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:49:58,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:49:58,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:49:58,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:49:58,049 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:49:58,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:49:58,050 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:49:58,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:49:58,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:49:58,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:49:58,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:49:58,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:49:58,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:49:58,052 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:49:58,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:49:58,053 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:49:58,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:49:58,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:49:58,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:49:58,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:49:58,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:49:58,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:49:58,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:49:58,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:49:58,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:49:58,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:49:58,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:49:58,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:49:58,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:49:58,056 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 15:49:58,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:49:58,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:49:58,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:49:58,513 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:49:58,514 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:49:58,516 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product40.cil.c [2020-09-24 15:49:58,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e0179cf1/c2ef33be79064a4590954a3876d41fce/FLAG8dbe4be7d [2020-09-24 15:49:59,255 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:49:59,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product40.cil.c [2020-09-24 15:49:59,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e0179cf1/c2ef33be79064a4590954a3876d41fce/FLAG8dbe4be7d [2020-09-24 15:49:59,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e0179cf1/c2ef33be79064a4590954a3876d41fce [2020-09-24 15:49:59,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:49:59,540 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:49:59,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:49:59,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:49:59,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:49:59,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:49:59" (1/1) ... [2020-09-24 15:49:59,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2566eedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:59, skipping insertion in model container [2020-09-24 15:49:59,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:49:59" (1/1) ... [2020-09-24 15:49:59,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:49:59,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:50:00,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:00,176 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:50:00,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:00,303 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:50:00,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:00 WrapperNode [2020-09-24 15:50:00,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:00,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:50:00,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:50:00,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:50:00,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:00" (1/1) ... [2020-09-24 15:50:00,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:00" (1/1) ... [2020-09-24 15:50:00,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:00" (1/1) ... [2020-09-24 15:50:00,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:00" (1/1) ... [2020-09-24 15:50:00,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:00" (1/1) ... [2020-09-24 15:50:00,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:00" (1/1) ... [2020-09-24 15:50:00,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:00" (1/1) ... [2020-09-24 15:50:00,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:50:00,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:50:00,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:50:00,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:50:00,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:00" (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 15:50:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:50:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:50:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:50:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:50:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:50:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:50:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:50:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:50:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:50:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:50:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:50:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:50:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:50:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:50:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:50:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:50:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:50:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:50:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:50:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:50:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:50:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:50:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:50:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:50:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:50:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:50:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:50:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:50:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:50:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:50:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:50:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:50:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:50:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:50:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:50:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:50:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:50:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:50:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:50:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:50:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:50:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:50:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:50:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:50:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:50:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:50:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:50:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:50:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:50:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:50:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:50:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:50:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:50:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:50:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:50:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:50:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:50:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:50:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:50:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:50:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:50:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:50:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:50:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:50:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:50:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:50:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:50:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:50:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:50:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:50:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:50:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:50:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:50:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:50:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:50:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:50:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:50:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:50:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:50:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:50:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:50:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:50:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:50:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:50:01,852 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:50:01,853 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:50:01,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:01 BoogieIcfgContainer [2020-09-24 15:50:01,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:50:01,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:50:01,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:50:01,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:50:01,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:49:59" (1/3) ... [2020-09-24 15:50:01,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc43928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:01, skipping insertion in model container [2020-09-24 15:50:01,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:00" (2/3) ... [2020-09-24 15:50:01,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc43928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:01, skipping insertion in model container [2020-09-24 15:50:01,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:01" (3/3) ... [2020-09-24 15:50:01,872 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product40.cil.c [2020-09-24 15:50:01,885 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:50:01,899 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:50:01,925 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:50:01,959 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:50:01,959 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:50:01,959 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:50:01,959 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:50:01,960 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:50:01,960 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:50:01,960 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:50:01,960 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:50:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states. [2020-09-24 15:50:02,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:50:02,012 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:02,013 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 15:50:02,014 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:02,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:02,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1162021346, now seen corresponding path program 1 times [2020-09-24 15:50:02,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:02,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994143659] [2020-09-24 15:50:02,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:02,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:02,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:02,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:02,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:02,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:50:02,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:02,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:50:02,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:02,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:02,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:50:02,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:02,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:02,955 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:02,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:02,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:02,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:02,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:02,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:02,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:02,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:02,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:02,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:02,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:02,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:02,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:02,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:03,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:03,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:03,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:03,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:03,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:03,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:03,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:03,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:03,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:03,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:50:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:03,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:03,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:03,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:03,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:50:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:03,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:03,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:03,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:03,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:03,111 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 15:50:03,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994143659] [2020-09-24 15:50:03,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:03,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:50:03,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080651400] [2020-09-24 15:50:03,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:50:03,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:03,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:50:03,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:50:03,144 INFO L87 Difference]: Start difference. First operand 316 states. Second operand 3 states. [2020-09-24 15:50:04,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:04,590 INFO L93 Difference]: Finished difference Result 500 states and 595 transitions. [2020-09-24 15:50:04,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:50:04,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:50:04,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:04,614 INFO L225 Difference]: With dead ends: 500 [2020-09-24 15:50:04,614 INFO L226 Difference]: Without dead ends: 309 [2020-09-24 15:50:04,621 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 15:50:04,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-09-24 15:50:04,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 265. [2020-09-24 15:50:04,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-09-24 15:50:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 288 transitions. [2020-09-24 15:50:04,729 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 288 transitions. Word has length 142 [2020-09-24 15:50:04,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:04,730 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 288 transitions. [2020-09-24 15:50:04,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:50:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 288 transitions. [2020-09-24 15:50:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:50:04,736 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:04,736 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 15:50:04,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:50:04,736 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:04,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:04,737 INFO L82 PathProgramCache]: Analyzing trace with hash -509379685, now seen corresponding path program 1 times [2020-09-24 15:50:04,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:04,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098519088] [2020-09-24 15:50:04,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:04,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:04,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:04,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:04,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:04,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:50:04,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:04,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:04,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:04,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:04,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:50:04,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:04,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:05,218 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:05,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:05,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:05,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:05,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:05,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:05,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:05,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:05,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:05,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:05,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:05,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:05,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:05,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:05,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:05,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:05,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:05,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:05,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:05,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:05,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:05,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:05,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:05,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:05,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:05,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:05,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:05,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:05,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:05,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:05,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:05,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:05,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:05,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:05,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:05,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:05,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:05,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:05,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:05,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:05,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:05,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:05,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:05,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:05,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:05,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:05,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:05,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:05,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:05,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:05,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:05,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:05,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:05,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:05,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:05,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:05,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:05,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:05,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:50:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:05,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:05,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:05,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:05,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:05,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:05,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:05,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:05,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:05,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:05,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:05,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:05,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:05,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:50:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:05,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:05,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:05,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:05,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:05,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:05,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:05,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:05,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:05,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:50:05,359 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 15:50:05,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098519088] [2020-09-24 15:50:05,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:05,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:50:05,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141885207] [2020-09-24 15:50:05,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:50:05,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:05,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:50:05,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:50:05,364 INFO L87 Difference]: Start difference. First operand 265 states and 288 transitions. Second operand 4 states. [2020-09-24 15:50:06,155 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:07,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:07,222 INFO L93 Difference]: Finished difference Result 407 states and 458 transitions. [2020-09-24 15:50:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:50:07,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:50:07,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:07,228 INFO L225 Difference]: With dead ends: 407 [2020-09-24 15:50:07,228 INFO L226 Difference]: Without dead ends: 292 [2020-09-24 15:50:07,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:07,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-09-24 15:50:07,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 255. [2020-09-24 15:50:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-09-24 15:50:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 275 transitions. [2020-09-24 15:50:07,275 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 275 transitions. Word has length 143 [2020-09-24 15:50:07,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:07,276 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 275 transitions. [2020-09-24 15:50:07,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:50:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 275 transitions. [2020-09-24 15:50:07,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 15:50:07,279 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:07,279 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 15:50:07,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:50:07,280 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:07,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:07,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1147925299, now seen corresponding path program 1 times [2020-09-24 15:50:07,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:07,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593021937] [2020-09-24 15:50:07,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:50:07,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:50:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:07,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,780 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:07,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:07,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:07,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:07,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:07,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:07,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:07,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:07,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:07,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:07,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:07,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:07,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:07,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:50:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:07,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:07,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:50:07,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:50:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:07,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:07,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:07,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:07,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:07,986 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 15:50:07,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593021937] [2020-09-24 15:50:07,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:07,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:50:07,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927695492] [2020-09-24 15:50:07,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:50:07,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:07,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:50:07,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:07,990 INFO L87 Difference]: Start difference. First operand 255 states and 275 transitions. Second operand 5 states. [2020-09-24 15:50:08,526 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:10,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:10,389 INFO L93 Difference]: Finished difference Result 615 states and 712 transitions. [2020-09-24 15:50:10,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:50:10,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-24 15:50:10,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:10,395 INFO L225 Difference]: With dead ends: 615 [2020-09-24 15:50:10,395 INFO L226 Difference]: Without dead ends: 470 [2020-09-24 15:50:10,397 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 15:50:10,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-09-24 15:50:10,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 390. [2020-09-24 15:50:10,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-09-24 15:50:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 431 transitions. [2020-09-24 15:50:10,484 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 431 transitions. Word has length 156 [2020-09-24 15:50:10,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:10,486 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 431 transitions. [2020-09-24 15:50:10,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:50:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 431 transitions. [2020-09-24 15:50:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:50:10,489 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:10,489 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 15:50:10,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:50:10,490 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:10,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:10,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1964515528, now seen corresponding path program 1 times [2020-09-24 15:50:10,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:10,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493141413] [2020-09-24 15:50:10,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:10,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:10,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:10,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:10,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:10,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:50:10,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:10,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 15:50:10,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:50:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:50:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:50:10,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:11,225 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:11,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:11,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:11,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:11,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:11,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:11,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:11,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:11,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:50:11,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:11,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:11,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:11,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:11,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:11,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:11,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:11,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:11,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:11,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:11,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:11,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:11,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:11,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:11,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:11,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:11,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:50:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:11,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:50:11,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:11,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:50:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:11,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:11,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:11,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:11,539 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 15:50:11,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493141413] [2020-09-24 15:50:11,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:11,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:50:11,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030601990] [2020-09-24 15:50:11,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:50:11,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:11,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:50:11,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:50:11,544 INFO L87 Difference]: Start difference. First operand 390 states and 431 transitions. Second operand 9 states. [2020-09-24 15:50:12,206 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:13,731 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:14,052 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:14,475 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:14,849 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:15,156 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:15,451 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:15,775 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:17,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:17,127 INFO L93 Difference]: Finished difference Result 1032 states and 1237 transitions. [2020-09-24 15:50:17,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:50:17,128 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-24 15:50:17,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:17,134 INFO L225 Difference]: With dead ends: 1032 [2020-09-24 15:50:17,135 INFO L226 Difference]: Without dead ends: 752 [2020-09-24 15:50:17,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:50:17,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-09-24 15:50:17,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 657. [2020-09-24 15:50:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-09-24 15:50:17,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 745 transitions. [2020-09-24 15:50:17,240 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 745 transitions. Word has length 161 [2020-09-24 15:50:17,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:17,240 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 745 transitions. [2020-09-24 15:50:17,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:50:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 745 transitions. [2020-09-24 15:50:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:50:17,244 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:17,244 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 15:50:17,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:50:17,245 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:17,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:17,245 INFO L82 PathProgramCache]: Analyzing trace with hash -771315303, now seen corresponding path program 1 times [2020-09-24 15:50:17,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:17,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985831918] [2020-09-24 15:50:17,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:17,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:50:17,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:50:17,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:50:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:50:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:50:17,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:17,637 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:17,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:17,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:17,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:50:17,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:50:17,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:17,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:17,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:17,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:17,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:17,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:17,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:17,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:17,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:17,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:17,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:17,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:17,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:17,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:17,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:17,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:17,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:17,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:17,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:17,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:17,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:17,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:17,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:17,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:17,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:17,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:17,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:50:17,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:17,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:50:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:17,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:17,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:17,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:17,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:17,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:17,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:17,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:17,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:17,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:17,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:17,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:17,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:17,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:50:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:17,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:17,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:17,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:17,845 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 15:50:17,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985831918] [2020-09-24 15:50:17,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:17,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:50:17,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147972939] [2020-09-24 15:50:17,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:50:17,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:17,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:50:17,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:50:17,849 INFO L87 Difference]: Start difference. First operand 657 states and 745 transitions. Second operand 6 states. [2020-09-24 15:50:18,389 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:20,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:20,713 INFO L93 Difference]: Finished difference Result 1528 states and 1844 transitions. [2020-09-24 15:50:20,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:50:20,714 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-09-24 15:50:20,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:20,719 INFO L225 Difference]: With dead ends: 1528 [2020-09-24 15:50:20,720 INFO L226 Difference]: Without dead ends: 981 [2020-09-24 15:50:20,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:50:20,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2020-09-24 15:50:20,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 885. [2020-09-24 15:50:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-09-24 15:50:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1012 transitions. [2020-09-24 15:50:20,856 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1012 transitions. Word has length 166 [2020-09-24 15:50:20,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:20,856 INFO L479 AbstractCegarLoop]: Abstraction has 885 states and 1012 transitions. [2020-09-24 15:50:20,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:50:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1012 transitions. [2020-09-24 15:50:20,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:50:20,859 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:20,860 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 15:50:20,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:50:20,860 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:20,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:20,861 INFO L82 PathProgramCache]: Analyzing trace with hash 651610758, now seen corresponding path program 1 times [2020-09-24 15:50:20,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:20,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493848250] [2020-09-24 15:50:20,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:50:20,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 15:50:20,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:50:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:50:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-24 15:50:20,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,302 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:21,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:21,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:21,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:21,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:21,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:21,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:21,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:21,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:21,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:21,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:21,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:21,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:21,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:21,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:21,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:21,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:21,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:21,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:21,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:21,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:21,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:50:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:21,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:21,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,544 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 15:50:21,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493848250] [2020-09-24 15:50:21,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:21,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:50:21,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561713005] [2020-09-24 15:50:21,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:50:21,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:21,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:50:21,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:50:21,547 INFO L87 Difference]: Start difference. First operand 885 states and 1012 transitions. Second operand 12 states. [2020-09-24 15:50:22,064 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:23,131 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:23,427 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:23,745 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:24,082 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:24,406 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:25,517 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:25,763 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:26,105 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:27,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:27,325 INFO L93 Difference]: Finished difference Result 1871 states and 2351 transitions. [2020-09-24 15:50:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:50:27,325 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-09-24 15:50:27,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:27,336 INFO L225 Difference]: With dead ends: 1871 [2020-09-24 15:50:27,337 INFO L226 Difference]: Without dead ends: 1393 [2020-09-24 15:50:27,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:50:27,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2020-09-24 15:50:27,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1202. [2020-09-24 15:50:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1202 states. [2020-09-24 15:50:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1420 transitions. [2020-09-24 15:50:27,540 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1420 transitions. Word has length 166 [2020-09-24 15:50:27,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:27,540 INFO L479 AbstractCegarLoop]: Abstraction has 1202 states and 1420 transitions. [2020-09-24 15:50:27,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:50:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1420 transitions. [2020-09-24 15:50:27,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-09-24 15:50:27,548 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:27,549 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:27,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:50:27,549 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:27,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:27,549 INFO L82 PathProgramCache]: Analyzing trace with hash 295518447, now seen corresponding path program 1 times [2020-09-24 15:50:27,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:27,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046446833] [2020-09-24 15:50:27,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:27,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:27,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:27,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:27,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:27,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-09-24 15:50:27,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:27,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:27,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:27,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-09-24 15:50:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:27,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:27,967 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:27,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:27,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:27,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:27,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:27,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:27,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:27,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:27,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:27,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:27,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:27,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:27,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:27,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:28,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:28,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:28,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:28,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:28,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:28,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:50:28,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:50:28,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:50:28,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:28,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:28,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:50:28,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:50:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:28,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:28,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:50:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:28,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:28,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:28,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:28,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:50:28,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:28,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:28,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:28,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:50:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:28,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:50:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:50:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:28,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 15:50:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:28,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-09-24 15:50:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:28,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,405 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 15:50:28,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046446833] [2020-09-24 15:50:28,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:28,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 15:50:28,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889710277] [2020-09-24 15:50:28,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:50:28,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:28,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:50:28,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:50:28,408 INFO L87 Difference]: Start difference. First operand 1202 states and 1420 transitions. Second operand 13 states. [2020-09-24 15:50:29,649 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:30,311 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:30,641 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:30,970 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:50:31,276 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:31,603 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:31,892 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:33,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:33,686 INFO L93 Difference]: Finished difference Result 2155 states and 2633 transitions. [2020-09-24 15:50:33,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:50:33,687 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 242 [2020-09-24 15:50:33,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:33,694 INFO L225 Difference]: With dead ends: 2155 [2020-09-24 15:50:33,694 INFO L226 Difference]: Without dead ends: 1063 [2020-09-24 15:50:33,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2020-09-24 15:50:33,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2020-09-24 15:50:33,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 887. [2020-09-24 15:50:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2020-09-24 15:50:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1017 transitions. [2020-09-24 15:50:33,827 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1017 transitions. Word has length 242 [2020-09-24 15:50:33,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:33,828 INFO L479 AbstractCegarLoop]: Abstraction has 887 states and 1017 transitions. [2020-09-24 15:50:33,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:50:33,828 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1017 transitions. [2020-09-24 15:50:33,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-09-24 15:50:33,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:33,834 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] [2020-09-24 15:50:33,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:50:33,834 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:33,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:33,835 INFO L82 PathProgramCache]: Analyzing trace with hash 2009955382, now seen corresponding path program 1 times [2020-09-24 15:50:33,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:33,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73894945] [2020-09-24 15:50:33,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:33,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -71 [2020-09-24 15:50:33,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 71 [2020-09-24 15:50:33,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-09-24 15:50:33,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:50:33,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-24 15:50:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:33,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,216 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:34,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:34,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:34,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:34,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:50:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:34,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:50:34,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:34,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:34,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:50:34,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:34,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:34,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:34,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:34,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:50:34,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:34,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:34,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:50:34,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:34,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:34,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:34,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:50:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:34,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:34,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:34,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:34,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:50:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:34,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:50:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:50:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:34,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:34,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 15:50:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:34,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:34,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 15:50:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:50:34,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 15:50:34,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:34,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:50:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:34,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-09-24 15:50:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:34,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-09-24 15:50:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:34,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,598 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 15:50:34,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73894945] [2020-09-24 15:50:34,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:34,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:50:34,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807033660] [2020-09-24 15:50:34,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:50:34,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:34,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:50:34,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:50:34,601 INFO L87 Difference]: Start difference. First operand 887 states and 1017 transitions. Second operand 11 states. [2020-09-24 15:50:35,901 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:36,209 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:36,502 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:36,811 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:37,094 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:38,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:38,388 INFO L93 Difference]: Finished difference Result 1789 states and 2194 transitions. [2020-09-24 15:50:38,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:50:38,389 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 264 [2020-09-24 15:50:38,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:38,395 INFO L225 Difference]: With dead ends: 1789 [2020-09-24 15:50:38,395 INFO L226 Difference]: Without dead ends: 1012 [2020-09-24 15:50:38,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 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 15:50:38,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2020-09-24 15:50:38,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 798. [2020-09-24 15:50:38,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2020-09-24 15:50:38,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 904 transitions. [2020-09-24 15:50:38,552 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 904 transitions. Word has length 264 [2020-09-24 15:50:38,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:38,553 INFO L479 AbstractCegarLoop]: Abstraction has 798 states and 904 transitions. [2020-09-24 15:50:38,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:50:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 904 transitions. [2020-09-24 15:50:38,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-09-24 15:50:38,563 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:38,564 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] [2020-09-24 15:50:38,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:50:38,564 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:38,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:38,565 INFO L82 PathProgramCache]: Analyzing trace with hash -857046901, now seen corresponding path program 1 times [2020-09-24 15:50:38,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:38,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1809363288] [2020-09-24 15:50:38,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:38,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:38,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:38,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:38,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:38,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-09-24 15:50:38,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:38,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:50:38,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:50:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:50:38,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 208 [2020-09-24 15:50:38,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,018 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:39,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:39,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:50:39,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:39,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:39,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:39,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:39,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:39,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:39,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:39,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:39,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:39,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:39,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:39,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:39,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:39,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:50:39,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:39,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:50:39,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:39,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:39,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:39,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:39,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:39,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:39,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:50:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:39,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:39,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:39,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:39,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:50:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:39,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:39,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:50:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:39,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:39,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:50:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:50:39,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:50:39,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:50:39,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:50:39,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:50:39,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:39,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:50:39,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:50:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:50:39,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:39,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:39,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:39,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:39,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:50:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:39,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:39,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:39,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-24 15:50:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:39,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:39,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:39,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-24 15:50:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:39,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:39,531 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 15:50:39,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1809363288] [2020-09-24 15:50:39,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:39,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:50:39,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108922705] [2020-09-24 15:50:39,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:50:39,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:39,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:50:39,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:50:39,534 INFO L87 Difference]: Start difference. First operand 798 states and 904 transitions. Second operand 16 states. [2020-09-24 15:50:40,045 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:41,138 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:44,815 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:45,144 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:45,546 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:45,882 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:50:46,205 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:46,534 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:50:46,849 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:47,173 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:47,501 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:50:47,837 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:48,163 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:50:48,490 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:50:48,813 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:49,139 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:50:49,482 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:49,832 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:50:50,175 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:50:50,504 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:50:51,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:51,725 INFO L93 Difference]: Finished difference Result 2478 states and 3053 transitions. [2020-09-24 15:50:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-24 15:50:51,726 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 269 [2020-09-24 15:50:51,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:51,736 INFO L225 Difference]: With dead ends: 2478 [2020-09-24 15:50:51,737 INFO L226 Difference]: Without dead ends: 1790 [2020-09-24 15:50:51,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=568, Invalid=2294, Unknown=0, NotChecked=0, Total=2862 [2020-09-24 15:50:51,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2020-09-24 15:50:51,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1405. [2020-09-24 15:50:51,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1405 states. [2020-09-24 15:50:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 1587 transitions. [2020-09-24 15:50:51,926 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 1587 transitions. Word has length 269 [2020-09-24 15:50:51,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:51,927 INFO L479 AbstractCegarLoop]: Abstraction has 1405 states and 1587 transitions. [2020-09-24 15:50:51,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 15:50:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1587 transitions. [2020-09-24 15:50:51,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-09-24 15:50:51,934 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:51,935 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:51,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:50:51,935 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:51,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:51,936 INFO L82 PathProgramCache]: Analyzing trace with hash 2031737990, now seen corresponding path program 1 times [2020-09-24 15:50:51,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:51,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1103854831] [2020-09-24 15:50:51,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-09-24 15:50:52,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:50:52,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:50:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-24 15:50:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-09-24 15:50:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,355 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:52,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:52,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:52,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:52,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:52,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:52,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:52,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:52,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:52,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:52,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:52,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:52,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:50:52,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:52,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:50:52,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:52,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:50:52,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:52,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:52,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:52,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:52,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:52,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:52,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:52,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:52,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:50:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:52,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:50:52,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:52,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:50:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:52,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:52,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:52,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:50:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:52,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:52,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:52,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:52,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:52,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:50:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:52,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:52,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:52,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:50:52,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:52,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:52,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:52,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:50:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:52,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:52,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:52,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:52,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-09-24 15:50:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:52,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:52,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:52,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:52,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:52,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-09-24 15:50:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:52,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:52,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:52,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:52,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:52,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:52,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:52,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:52,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:52,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:52,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:52,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:52,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-24 15:50:52,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1103854831] [2020-09-24 15:50:52,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:52,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:50:52,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712427269] [2020-09-24 15:50:52,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:50:52,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:52,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:50:52,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:50:52,878 INFO L87 Difference]: Start difference. First operand 1405 states and 1587 transitions. Second operand 14 states. [2020-09-24 15:50:53,436 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186