/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:14:00,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:14:00,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:14:00,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:14:00,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:14:00,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:14:00,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:14:00,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:14:00,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:14:00,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:14:00,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:14:00,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:14:00,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:14:00,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:14:00,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:14:00,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:14:00,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:14:00,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:14:00,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:14:00,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:14:00,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:14:00,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:14:00,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:14:00,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:14:00,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:14:00,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:14:00,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:14:00,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:14:00,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:14:00,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:14:00,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:14:00,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:14:00,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:14:00,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:14:00,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:14:00,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:14:00,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:14:00,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:14:00,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:14:00,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:14:00,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:14:00,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:14:00,779 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:14:00,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:14:00,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:14:00,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:14:00,781 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:14:00,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:14:00,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:14:00,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:14:00,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:14:00,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:14:00,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:14:00,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:14:00,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:14:00,783 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:14:00,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:14:00,783 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:14:00,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:14:00,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:14:00,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:14:00,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:14:00,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:14:00,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:14:00,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:14:00,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:14:00,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:14:00,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:14:00,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:14:00,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:14:00,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:14:00,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:14:01,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:14:01,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:14:01,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:14:01,278 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:14:01,279 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:14:01,281 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-09-21 11:14:01,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47e85eb22/414a6cc1c6cb45a1aed2fcd518f314d7/FLAG5630eba65 [2020-09-21 11:14:02,036 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:14:02,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-09-21 11:14:02,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47e85eb22/414a6cc1c6cb45a1aed2fcd518f314d7/FLAG5630eba65 [2020-09-21 11:14:02,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47e85eb22/414a6cc1c6cb45a1aed2fcd518f314d7 [2020-09-21 11:14:02,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:14:02,283 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:14:02,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:02,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:14:02,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:14:02,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:02" (1/1) ... [2020-09-21 11:14:02,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:02, skipping insertion in model container [2020-09-21 11:14:02,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:02" (1/1) ... [2020-09-21 11:14:02,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:14:02,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:14:02,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:02,924 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:14:03,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:03,052 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:14:03,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:03 WrapperNode [2020-09-21 11:14:03,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:03,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:14:03,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:14:03,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:14:03,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:03" (1/1) ... [2020-09-21 11:14:03,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:03" (1/1) ... [2020-09-21 11:14:03,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:03" (1/1) ... [2020-09-21 11:14:03,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:03" (1/1) ... [2020-09-21 11:14:03,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:03" (1/1) ... [2020-09-21 11:14:03,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:03" (1/1) ... [2020-09-21 11:14:03,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:03" (1/1) ... [2020-09-21 11:14:03,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:14:03,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:14:03,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:14:03,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:14:03,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:14:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:14:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:14:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:14:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:14:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:14:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:14:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:14:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:14:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:14:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:14:03,293 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:14:03,293 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:14:03,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:14:03,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:14:03,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:14:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:14:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:14:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:14:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:14:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:14:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:14:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:14:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:14:03,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:14:03,298 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:14:03,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:14:03,298 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:14:03,298 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:14:03,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:14:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:14:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:14:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:14:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:14:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:14:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:14:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:14:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:14:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:14:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:14:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:14:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:14:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:14:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:14:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:14:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:14:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:14:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:14:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:14:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:14:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:14:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:14:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:14:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:14:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:14:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:14:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:14:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:14:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:14:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:14:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:14:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:14:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:14:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:14:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:14:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:14:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:14:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:14:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:14:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:14:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:14:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:14:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:14:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:14:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:14:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:14:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:14:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:14:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:14:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:14:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:14:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:14:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:14:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:14:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:14:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:14:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:14:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:14:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:14:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:14:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:14:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:14:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:14:04,648 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:14:04,648 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:14:04,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:04 BoogieIcfgContainer [2020-09-21 11:14:04,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:14:04,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:14:04,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:14:04,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:14:04,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:14:02" (1/3) ... [2020-09-21 11:14:04,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758ac4ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:04, skipping insertion in model container [2020-09-21 11:14:04,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:03" (2/3) ... [2020-09-21 11:14:04,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758ac4ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:04, skipping insertion in model container [2020-09-21 11:14:04,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:04" (3/3) ... [2020-09-21 11:14:04,664 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2020-09-21 11:14:04,676 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:14:04,687 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:14:04,708 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:14:04,741 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:14:04,742 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:14:04,742 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:14:04,742 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:14:04,742 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:14:04,742 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:14:04,743 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:14:04,743 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:14:04,771 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2020-09-21 11:14:04,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:14:04,784 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:04,785 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] [2020-09-21 11:14:04,786 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:04,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:04,794 INFO L82 PathProgramCache]: Analyzing trace with hash 182694304, now seen corresponding path program 1 times [2020-09-21 11:14:04,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:04,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19006926] [2020-09-21 11:14:04,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:05,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:05,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:05,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:05,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:05,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:14:05,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:05,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:14:05,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:05,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:05,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:14:05,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:05,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:05,546 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:05,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:05,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:05,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:05,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:05,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:05,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:05,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:05,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:05,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:05,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:05,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:05,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:05,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:05,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:05,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:05,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:05,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:05,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:05,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:05,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:05,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:05,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:05,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:05,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:05,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:05,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:05,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:05,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:05,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:05,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:05,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:05,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:05,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:05,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:05,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:05,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:05,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:05,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:05,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:05,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:05,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:05,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:05,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:05,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:05,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:05,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:05,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:05,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:05,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:05,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:05,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:05,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:05,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:05,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:05,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:05,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:05,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:05,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:14:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:05,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:05,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:05,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:05,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:05,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:05,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:05,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:05,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:05,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:05,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:14:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:05,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:05,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:05,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:05,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:05,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:05,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:05,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:05,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:05,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:05,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19006926] [2020-09-21 11:14:05,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:05,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:14:05,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674205628] [2020-09-21 11:14:05,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:14:05,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:05,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:14:05,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:14:05,806 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 3 states. [2020-09-21 11:14:07,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:07,272 INFO L93 Difference]: Finished difference Result 360 states and 465 transitions. [2020-09-21 11:14:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:14:07,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:14:07,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:07,293 INFO L225 Difference]: With dead ends: 360 [2020-09-21 11:14:07,294 INFO L226 Difference]: Without dead ends: 194 [2020-09-21 11:14:07,300 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 [2020-09-21 11:14:07,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-09-21 11:14:07,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 157. [2020-09-21 11:14:07,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-21 11:14:07,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 185 transitions. [2020-09-21 11:14:07,407 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 185 transitions. Word has length 46 [2020-09-21 11:14:07,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:07,407 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 185 transitions. [2020-09-21 11:14:07,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:14:07,408 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 185 transitions. [2020-09-21 11:14:07,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:14:07,411 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:07,411 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] [2020-09-21 11:14:07,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:14:07,412 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:07,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:07,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1720628684, now seen corresponding path program 1 times [2020-09-21 11:14:07,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:07,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132716098] [2020-09-21 11:14:07,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:14:07,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:07,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:07,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:14:07,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:07,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,750 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:07,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:07,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:07,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:07,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:07,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:07,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:07,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:07,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:07,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:07,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:07,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:07,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:14:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:07,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:07,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:07,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:07,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:14:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:07,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:07,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132716098] [2020-09-21 11:14:07,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:07,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:14:07,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347468461] [2020-09-21 11:14:07,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:14:07,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:07,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:14:07,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:14:07,840 INFO L87 Difference]: Start difference. First operand 157 states and 185 transitions. Second operand 4 states. [2020-09-21 11:14:08,376 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:09,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:09,548 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2020-09-21 11:14:09,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:14:09,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:14:09,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:09,553 INFO L225 Difference]: With dead ends: 289 [2020-09-21 11:14:09,553 INFO L226 Difference]: Without dead ends: 178 [2020-09-21 11:14:09,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:14:09,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-09-21 11:14:09,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 148. [2020-09-21 11:14:09,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-09-21 11:14:09,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2020-09-21 11:14:09,598 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 47 [2020-09-21 11:14:09,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:09,599 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2020-09-21 11:14:09,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:14:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2020-09-21 11:14:09,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:14:09,601 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:09,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:09,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:14:09,602 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:09,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:09,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1588538268, now seen corresponding path program 1 times [2020-09-21 11:14:09,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:09,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191418758] [2020-09-21 11:14:09,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:14:10,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:14:10,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-09-21 11:14:10,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:14:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:14:10,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:10,401 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:10,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:10,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 11:14:10,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:10,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:10,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:10,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:10,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:10,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:10,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:10,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:10,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:10,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:10,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:10,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:10,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:10,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:10,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:10,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:10,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:10,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:10,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:10,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:10,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:10,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:14:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:10,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:10,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:10,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:10,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:10,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:10,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:10,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:10,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:10,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:10,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:10,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:10,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191418758] [2020-09-21 11:14:10,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:10,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:14:10,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067725297] [2020-09-21 11:14:10,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:14:10,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:10,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:14:10,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:14:10,661 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 4 states. [2020-09-21 11:14:10,997 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:12,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:12,140 INFO L93 Difference]: Finished difference Result 302 states and 370 transitions. [2020-09-21 11:14:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:14:12,141 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:14:12,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:12,144 INFO L225 Difference]: With dead ends: 302 [2020-09-21 11:14:12,145 INFO L226 Difference]: Without dead ends: 178 [2020-09-21 11:14:12,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:14:12,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-09-21 11:14:12,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 148. [2020-09-21 11:14:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-09-21 11:14:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2020-09-21 11:14:12,189 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 52 [2020-09-21 11:14:12,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:12,189 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2020-09-21 11:14:12,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:14:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2020-09-21 11:14:12,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:14:12,192 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:12,193 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] [2020-09-21 11:14:12,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:14:12,193 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:12,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:12,194 INFO L82 PathProgramCache]: Analyzing trace with hash 265767055, now seen corresponding path program 1 times [2020-09-21 11:14:12,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:12,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532127468] [2020-09-21 11:14:12,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:14:12,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-09-21 11:14:12,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:14:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 11:14:12,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,951 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:12,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:13,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:14:13,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:13,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:13,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:13,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:13,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:13,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:13,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:13,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:13,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:13,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:13,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:13,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:13,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:13,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:13,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:13,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:13,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:13,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:13,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:13,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:13,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:13,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:13,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:14:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 11:14:13,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:13,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:14:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:14:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:13,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:14:13,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:13,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:14:13,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:13,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:13,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:13,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:13,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:13,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:14:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:14:13,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:13,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:13,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:13,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:13,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:13,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:13,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:14:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:13,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:13,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:13,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:13,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:13,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-21 11:14:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:13,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:13,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:13,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:13,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:13,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:13,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532127468] [2020-09-21 11:14:13,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:13,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:14:13,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434925370] [2020-09-21 11:14:13,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:14:13,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:13,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:14:13,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:14:13,254 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 6 states. [2020-09-21 11:14:13,751 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:15,208 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:16,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:16,040 INFO L93 Difference]: Finished difference Result 413 states and 506 transitions. [2020-09-21 11:14:16,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:14:16,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-09-21 11:14:16,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:16,049 INFO L225 Difference]: With dead ends: 413 [2020-09-21 11:14:16,050 INFO L226 Difference]: Without dead ends: 289 [2020-09-21 11:14:16,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:14:16,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-21 11:14:16,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 246. [2020-09-21 11:14:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-09-21 11:14:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 276 transitions. [2020-09-21 11:14:16,121 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 276 transitions. Word has length 70 [2020-09-21 11:14:16,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:16,122 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 276 transitions. [2020-09-21 11:14:16,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:14:16,122 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 276 transitions. [2020-09-21 11:14:16,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-09-21 11:14:16,131 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:16,132 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] [2020-09-21 11:14:16,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:14:16,132 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:16,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:16,132 INFO L82 PathProgramCache]: Analyzing trace with hash 990610989, now seen corresponding path program 1 times [2020-09-21 11:14:16,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:16,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098958482] [2020-09-21 11:14:16,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:14:16,622 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:14:16,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 437 [2020-09-21 11:14:16,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:14:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-21 11:14:16,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:17,085 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:17,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:17,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:14:17,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:17,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:17,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:17,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:17,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:17,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:17,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:17,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:17,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:17,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:17,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:17,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:17,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:17,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:14:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:14:17,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:17,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:14:17,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:14:17,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:17,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:14:17,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:17,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:17,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:17,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:17,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:17,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:17,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:17,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:17,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:17,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:17,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:14:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:17,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:17,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:17,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:17,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:14:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:17,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:17,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:17,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098958482] [2020-09-21 11:14:17,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:17,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:14:17,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497614371] [2020-09-21 11:14:17,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:14:17,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:17,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:14:17,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:14:17,303 INFO L87 Difference]: Start difference. First operand 246 states and 276 transitions. Second operand 8 states. [2020-09-21 11:14:17,772 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:19,238 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:19,605 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:19,920 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:20,226 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:21,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:21,508 INFO L93 Difference]: Finished difference Result 646 states and 789 transitions. [2020-09-21 11:14:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:14:21,509 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-09-21 11:14:21,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:21,516 INFO L225 Difference]: With dead ends: 646 [2020-09-21 11:14:21,518 INFO L226 Difference]: Without dead ends: 424 [2020-09-21 11:14:21,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:14:21,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-09-21 11:14:21,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 385. [2020-09-21 11:14:21,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-09-21 11:14:21,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 439 transitions. [2020-09-21 11:14:21,603 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 439 transitions. Word has length 84 [2020-09-21 11:14:21,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:21,604 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 439 transitions. [2020-09-21 11:14:21,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:14:21,604 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 439 transitions. [2020-09-21 11:14:21,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-21 11:14:21,605 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:21,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:21,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:14:21,606 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:21,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:21,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1589051257, now seen corresponding path program 1 times [2020-09-21 11:14:21,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:21,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458329457] [2020-09-21 11:14:21,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-21 11:14:22,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-09-21 11:14:22,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:14:22,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:22,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:14:22,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,438 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:22,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 11:14:22,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:22,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:22,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:22,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:22,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:22,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:22,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:22,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:22,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:22,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:22,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:22,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:22,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:14:22,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:14:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:14:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:14:22,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:22,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:14:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:14:22,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:14:22,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:22,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:14:22,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:14:22,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:22,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:14:22,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:22,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:22,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:14:22,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:22,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:22,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:22,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:22,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:22,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:22,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:14:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:22,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:14:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:22,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:22,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458329457] [2020-09-21 11:14:22,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:22,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:14:22,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331895047] [2020-09-21 11:14:22,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:14:22,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:22,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:14:22,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:14:22,865 INFO L87 Difference]: Start difference. First operand 385 states and 439 transitions. Second operand 9 states. [2020-09-21 11:14:23,550 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:24,317 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:26,252 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:28,213 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-21 11:14:29,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:29,817 INFO L93 Difference]: Finished difference Result 1052 states and 1282 transitions. [2020-09-21 11:14:29,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:14:29,817 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-09-21 11:14:29,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:29,823 INFO L225 Difference]: With dead ends: 1052 [2020-09-21 11:14:29,823 INFO L226 Difference]: Without dead ends: 819 [2020-09-21 11:14:29,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:14:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2020-09-21 11:14:29,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 771. [2020-09-21 11:14:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2020-09-21 11:14:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 903 transitions. [2020-09-21 11:14:29,971 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 903 transitions. Word has length 88 [2020-09-21 11:14:29,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:29,972 INFO L479 AbstractCegarLoop]: Abstraction has 771 states and 903 transitions. [2020-09-21 11:14:29,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:14:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 903 transitions. [2020-09-21 11:14:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-21 11:14:29,974 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:29,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:29,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:14:29,975 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:29,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:29,975 INFO L82 PathProgramCache]: Analyzing trace with hash 136429640, now seen corresponding path program 1 times [2020-09-21 11:14:29,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:29,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171127533] [2020-09-21 11:14:29,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-21 11:14:30,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:30,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-21 11:14:30,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:30,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,298 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:30,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:30,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:30,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:30,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:30,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:14:30,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:30,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:30,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:14:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:14:30,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:30,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:14:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:14:30,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:30,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:14:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:30,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:14:30,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:30,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:30,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:14:30,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:30,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:30,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:30,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:14:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:30,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:30,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:30,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:14:30,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:30,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:30,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:14:30,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:30,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:14:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:30,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:30,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:14:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:30,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171127533] [2020-09-21 11:14:30,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:30,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:14:30,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356295810] [2020-09-21 11:14:30,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:14:30,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:30,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:14:30,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:14:30,589 INFO L87 Difference]: Start difference. First operand 771 states and 903 transitions. Second operand 8 states. [2020-09-21 11:14:32,006 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:32,257 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:32,506 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:33,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:33,897 INFO L93 Difference]: Finished difference Result 1431 states and 1728 transitions. [2020-09-21 11:14:33,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:14:33,898 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-09-21 11:14:33,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:33,904 INFO L225 Difference]: With dead ends: 1431 [2020-09-21 11:14:33,904 INFO L226 Difference]: Without dead ends: 816 [2020-09-21 11:14:33,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:14:33,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2020-09-21 11:14:34,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 771. [2020-09-21 11:14:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2020-09-21 11:14:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 902 transitions. [2020-09-21 11:14:34,054 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 902 transitions. Word has length 88 [2020-09-21 11:14:34,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:34,054 INFO L479 AbstractCegarLoop]: Abstraction has 771 states and 902 transitions. [2020-09-21 11:14:34,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:14:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 902 transitions. [2020-09-21 11:14:34,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-21 11:14:34,056 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:34,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:34,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:14:34,056 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:34,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:34,057 INFO L82 PathProgramCache]: Analyzing trace with hash 838029514, now seen corresponding path program 1 times [2020-09-21 11:14:34,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:34,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987276723] [2020-09-21 11:14:34,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:14:34,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -64 [2020-09-21 11:14:34,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 64 [2020-09-21 11:14:34,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-21 11:14:34,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:14:34,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 11:14:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,367 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:34,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:34,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:34,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:34,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:14:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:14:34,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:34,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:14:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:34,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:14:34,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:34,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:34,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:14:34,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:34,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:14:34,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:34,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:14:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:34,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:34,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:34,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:34,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:14:34,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:34,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:34,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:14:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:14:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:14:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:34,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987276723] [2020-09-21 11:14:34,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:34,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:14:34,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873208920] [2020-09-21 11:14:34,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:14:34,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:34,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:14:34,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:14:34,615 INFO L87 Difference]: Start difference. First operand 771 states and 902 transitions. Second operand 9 states. [2020-09-21 11:14:35,992 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:36,299 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:36,585 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:36,881 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:38,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:38,214 INFO L93 Difference]: Finished difference Result 1574 states and 1900 transitions. [2020-09-21 11:14:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:14:38,215 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-09-21 11:14:38,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:38,225 INFO L225 Difference]: With dead ends: 1574 [2020-09-21 11:14:38,225 INFO L226 Difference]: Without dead ends: 827 [2020-09-21 11:14:38,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:14:38,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2020-09-21 11:14:38,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 778. [2020-09-21 11:14:38,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 778 states. [2020-09-21 11:14:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 909 transitions. [2020-09-21 11:14:38,435 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 909 transitions. Word has length 88 [2020-09-21 11:14:38,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:38,435 INFO L479 AbstractCegarLoop]: Abstraction has 778 states and 909 transitions. [2020-09-21 11:14:38,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:14:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 909 transitions. [2020-09-21 11:14:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-09-21 11:14:38,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:38,440 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] [2020-09-21 11:14:38,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:14:38,440 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:38,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:38,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1511516236, now seen corresponding path program 1 times [2020-09-21 11:14:38,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:38,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587548965] [2020-09-21 11:14:38,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-21 11:14:38,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-09-21 11:14:38,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:14:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-09-21 11:14:38,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,264 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:39,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:14:39,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:39,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:39,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:39,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:39,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:39,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:39,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:39,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:39,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:39,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:39,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:14:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-21 11:14:39,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:14:39,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-21 11:14:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:14:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:14:39,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:14:39,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-21 11:14:39,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-21 11:14:39,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:14:39,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:14:39,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:39,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:39,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:39,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:39,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:39,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:14:39,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:14:39,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:14:39,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:39,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:39,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:14:39,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:39,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:39,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:14:39,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:14:39,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:39,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:39,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 11:14:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:39,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:39,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:14:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:39,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:39,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587548965] [2020-09-21 11:14:39,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:39,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:14:39,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731510361] [2020-09-21 11:14:39,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:14:39,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:39,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:14:39,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:14:39,811 INFO L87 Difference]: Start difference. First operand 778 states and 909 transitions. Second operand 12 states. [2020-09-21 11:14:40,723 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:41,541 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:42,571 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:43,006 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:43,348 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:43,684 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:14:44,304 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:14:44,665 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:14:45,260 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:14:45,578 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:14:48,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:48,490 INFO L93 Difference]: Finished difference Result 2310 states and 2787 transitions. [2020-09-21 11:14:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 11:14:48,490 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 100 [2020-09-21 11:14:48,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:48,500 INFO L225 Difference]: With dead ends: 2310 [2020-09-21 11:14:48,501 INFO L226 Difference]: Without dead ends: 1556 [2020-09-21 11:14:48,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2020-09-21 11:14:48,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2020-09-21 11:14:48,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1493. [2020-09-21 11:14:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-09-21 11:14:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1727 transitions. [2020-09-21 11:14:48,818 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1727 transitions. Word has length 100 [2020-09-21 11:14:48,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:48,819 INFO L479 AbstractCegarLoop]: Abstraction has 1493 states and 1727 transitions. [2020-09-21 11:14:48,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:14:48,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1727 transitions. [2020-09-21 11:14:48,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-21 11:14:48,822 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:48,822 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] [2020-09-21 11:14:48,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:14:48,822 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:48,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:48,823 INFO L82 PathProgramCache]: Analyzing trace with hash 400292392, now seen corresponding path program 1 times [2020-09-21 11:14:48,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:48,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747393972] [2020-09-21 11:14:48,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:48,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:48,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:48,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:48,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:48,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-21 11:14:48,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:48,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:48,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:48,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:48,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:14:48,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:14:48,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,179 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:49,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:49,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:49,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:49,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:49,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:49,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:49,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:49,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:49,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:49,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:49,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:49,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:49,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:49,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:49,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:49,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:49,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:49,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:49,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:49,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:49,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:49,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:14:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:49,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:49,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:49,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:49,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-21 11:14:49,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:49,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:14:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:14:49,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:49,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:14:49,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-21 11:14:49,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:49,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:14:49,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:49,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:49,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:49,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:14:49,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:49,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:49,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:49,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:49,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:49,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:14:49,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:49,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:49,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:14:49,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:49,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:49,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:49,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:49,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:49,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:49,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:49,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:49,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:49,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:14:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:49,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:49,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:49,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-21 11:14:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:49,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:49,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:49,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:49,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:49,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:49,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:49,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:49,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:49,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:49,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747393972] [2020-09-21 11:14:49,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:49,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:14:49,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344046120] [2020-09-21 11:14:49,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:14:49,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:49,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:14:49,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:14:49,428 INFO L87 Difference]: Start difference. First operand 1493 states and 1727 transitions. Second operand 10 states. [2020-09-21 11:14:50,684 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:51,369 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:52,335 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:52,693 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:52,981 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188