/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_spec2_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:08:13,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:08:13,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:08:13,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:08:13,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:08:13,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:08:13,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:08:13,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:08:13,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:08:13,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:08:13,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:08:13,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:08:13,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:08:13,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:08:13,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:08:13,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:08:13,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:08:13,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:08:13,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:08:13,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:08:13,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:08:13,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:08:13,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:08:13,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:08:13,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:08:13,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:08:13,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:08:13,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:08:13,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:08:13,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:08:13,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:08:13,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:08:13,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:08:13,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:08:13,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:08:13,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:08:13,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:08:13,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:08:13,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:08:13,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:08:13,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:08:13,095 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 11:08:13,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:08:13,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:08:13,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:08:13,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:08:13,126 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:08:13,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:08:13,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:08:13,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:08:13,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:08:13,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:08:13,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:08:13,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:08:13,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:08:13,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:08:13,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:08:13,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:08:13,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:08:13,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:08:13,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:08:13,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:08:13,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:08:13,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:08:13,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:08:13,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:08:13,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:08:13,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:08:13,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:08:13,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:08:13,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:08:13,131 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 11:08:13,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:08:13,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:08:13,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:08:13,630 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:08:13,631 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:08:13,632 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-09-21 11:08:13,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7801a991b/ea637d60836b4677b4480578cce67087/FLAG4bae8dcfd [2020-09-21 11:08:14,344 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:08:14,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-09-21 11:08:14,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7801a991b/ea637d60836b4677b4480578cce67087/FLAG4bae8dcfd [2020-09-21 11:08:14,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7801a991b/ea637d60836b4677b4480578cce67087 [2020-09-21 11:08:14,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:08:14,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:08:14,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:08:14,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:08:14,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:08:14,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:08:14" (1/1) ... [2020-09-21 11:08:14,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653a9eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:14, skipping insertion in model container [2020-09-21 11:08:14,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:08:14" (1/1) ... [2020-09-21 11:08:14,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:08:14,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:08:15,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:08:15,243 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:08:15,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:08:15,394 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:08:15,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:15 WrapperNode [2020-09-21 11:08:15,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:08:15,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:08:15,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:08:15,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:08:15,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:15" (1/1) ... [2020-09-21 11:08:15,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:15" (1/1) ... [2020-09-21 11:08:15,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:15" (1/1) ... [2020-09-21 11:08:15,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:15" (1/1) ... [2020-09-21 11:08:15,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:15" (1/1) ... [2020-09-21 11:08:15,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:15" (1/1) ... [2020-09-21 11:08:15,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:15" (1/1) ... [2020-09-21 11:08:15,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:08:15,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:08:15,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:08:15,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:08:15,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:08:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:08:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:08:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:08:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:08:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:08:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:08:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:08:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:08:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:08:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:08:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:08:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:08:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:08:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:08:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:08:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:08:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:08:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:08:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:08:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:08:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:08:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:08:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:08:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:08:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:08:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:08:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:08:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:08:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:08:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:08:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:08:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:08:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:08:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:08:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:08:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:08:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:08:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:08:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:08:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:08:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:08:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:08:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:08:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:08:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:08:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:08:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:08:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:08:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:08:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:08:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:08:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:08:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:08:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:08:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:08:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:08:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:08:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:08:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:08:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:08:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:08:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:08:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:08:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:08:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:08:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:08:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:08:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:08:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:08:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:08:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:08:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:08:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:08:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:08:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:08:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:08:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:08:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:08:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:08:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:08:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:08:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:08:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:08:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:08:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:08:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:08:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:08:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:08:16,685 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:08:16,686 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:08:16,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:08:16 BoogieIcfgContainer [2020-09-21 11:08:16,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:08:16,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:08:16,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:08:16,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:08:16,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:08:14" (1/3) ... [2020-09-21 11:08:16,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6289a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:08:16, skipping insertion in model container [2020-09-21 11:08:16,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:15" (2/3) ... [2020-09-21 11:08:16,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6289a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:08:16, skipping insertion in model container [2020-09-21 11:08:16,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:08:16" (3/3) ... [2020-09-21 11:08:16,710 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product44.cil.c [2020-09-21 11:08:16,722 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:08:16,734 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:08:16,760 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:08:16,792 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:08:16,792 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:08:16,792 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:08:16,792 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:08:16,792 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:08:16,793 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:08:16,793 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:08:16,793 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:08:16,819 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-09-21 11:08:16,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:08:16,830 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:16,831 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] [2020-09-21 11:08:16,832 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:16,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:16,838 INFO L82 PathProgramCache]: Analyzing trace with hash 925001116, now seen corresponding path program 1 times [2020-09-21 11:08:16,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:16,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304845826] [2020-09-21 11:08:16,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,160 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:08:17,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:08:17,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:08:17,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:17,661 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:17,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:17,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:17,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:17,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:17,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:17,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:17,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:17,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:17,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:17,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:17,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:08:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:17,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:08:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:17,862 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 11:08:17,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1304845826] [2020-09-21 11:08:17,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:17,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:08:17,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845363758] [2020-09-21 11:08:17,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:08:17,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:17,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:08:17,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:08:17,896 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 4 states. [2020-09-21 11:08:19,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:19,162 INFO L93 Difference]: Finished difference Result 305 states and 395 transitions. [2020-09-21 11:08:19,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:08:19,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:08:19,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:19,182 INFO L225 Difference]: With dead ends: 305 [2020-09-21 11:08:19,183 INFO L226 Difference]: Without dead ends: 171 [2020-09-21 11:08:19,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:08:19,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-09-21 11:08:19,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 135. [2020-09-21 11:08:19,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-09-21 11:08:19,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 157 transitions. [2020-09-21 11:08:19,299 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 157 transitions. Word has length 51 [2020-09-21 11:08:19,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:19,300 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 157 transitions. [2020-09-21 11:08:19,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:08:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 157 transitions. [2020-09-21 11:08:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:08:19,304 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:19,304 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 11:08:19,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:08:19,305 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:19,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:19,305 INFO L82 PathProgramCache]: Analyzing trace with hash -214077655, now seen corresponding path program 1 times [2020-09-21 11:08:19,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:19,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557398513] [2020-09-21 11:08:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:08:19,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:19,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:08:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:19,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,689 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:19,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:19,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:19,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:19,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:08:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:19,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,789 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 11:08:19,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557398513] [2020-09-21 11:08:19,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:19,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:08:19,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634504502] [2020-09-21 11:08:19,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:08:19,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:19,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:08:19,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:08:19,793 INFO L87 Difference]: Start difference. First operand 135 states and 157 transitions. Second operand 5 states. [2020-09-21 11:08:20,284 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:21,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:21,263 INFO L93 Difference]: Finished difference Result 237 states and 292 transitions. [2020-09-21 11:08:21,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:08:21,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:08:21,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:21,267 INFO L225 Difference]: With dead ends: 237 [2020-09-21 11:08:21,267 INFO L226 Difference]: Without dead ends: 161 [2020-09-21 11:08:21,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:08:21,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-21 11:08:21,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 126. [2020-09-21 11:08:21,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-21 11:08:21,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 145 transitions. [2020-09-21 11:08:21,313 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 145 transitions. Word has length 52 [2020-09-21 11:08:21,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:21,313 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 145 transitions. [2020-09-21 11:08:21,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:08:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2020-09-21 11:08:21,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:08:21,316 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:21,316 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] [2020-09-21 11:08:21,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:08:21,316 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:21,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:21,317 INFO L82 PathProgramCache]: Analyzing trace with hash 784654360, now seen corresponding path program 1 times [2020-09-21 11:08:21,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:21,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960127563] [2020-09-21 11:08:21,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:21,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:08:21,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 324 [2020-09-21 11:08:21,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:08:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:08:21,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,051 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:22,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:22,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:08:22,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:22,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:22,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:22,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:22,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:22,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:22,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:22,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:22,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:22,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:22,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:22,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:22,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:22,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:22,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:22,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:22,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:22,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:22,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:22,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:22,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:22,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:22,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:22,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:22,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:22,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:08:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:22,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:22,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:22,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:08:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:22,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:22,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:22,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,242 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 11:08:22,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960127563] [2020-09-21 11:08:22,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:22,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:08:22,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817109527] [2020-09-21 11:08:22,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:08:22,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:22,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:08:22,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:08:22,245 INFO L87 Difference]: Start difference. First operand 126 states and 145 transitions. Second operand 5 states. [2020-09-21 11:08:22,611 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:24,402 INFO L93 Difference]: Finished difference Result 368 states and 455 transitions. [2020-09-21 11:08:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:08:24,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 11:08:24,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:24,407 INFO L225 Difference]: With dead ends: 368 [2020-09-21 11:08:24,407 INFO L226 Difference]: Without dead ends: 270 [2020-09-21 11:08:24,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:08:24,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-09-21 11:08:24,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 208. [2020-09-21 11:08:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-09-21 11:08:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 245 transitions. [2020-09-21 11:08:24,466 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 245 transitions. Word has length 57 [2020-09-21 11:08:24,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:24,466 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 245 transitions. [2020-09-21 11:08:24,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:08:24,466 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 245 transitions. [2020-09-21 11:08:24,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:08:24,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:24,469 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] [2020-09-21 11:08:24,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:08:24,469 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:24,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:24,469 INFO L82 PathProgramCache]: Analyzing trace with hash 402514829, now seen corresponding path program 1 times [2020-09-21 11:08:24,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:24,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406535672] [2020-09-21 11:08:24,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:24,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:24,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:24,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:24,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:24,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:08:24,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-09-21 11:08:24,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:08:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:08:24,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:25,227 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:25,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:25,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:25,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:25,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:25,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:25,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:25,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:25,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:08:25,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:25,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:25,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:25,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:25,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:25,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:25,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:25,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:25,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:25,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:25,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:25,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:25,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:25,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:25,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:25,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:25,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:25,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:25,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:25,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:25,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:25,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:25,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:25,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:25,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:25,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:25,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:25,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:25,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:25,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:25,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:25,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:25,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:25,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:25,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:25,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:25,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:25,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:25,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:25,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:25,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:25,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:25,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:25,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:25,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:25,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:25,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:25,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:25,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:25,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:25,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:25,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:25,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:25,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:25,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:25,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:25,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:25,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:25,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:25,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:25,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:08:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:25,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:25,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:25,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:25,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:25,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:25,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:25,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:25,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:25,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:25,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:25,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:25,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:25,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:08:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:25,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:25,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:25,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:25,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:25,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:25,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:25,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:08:25,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:25,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:25,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:25,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:08:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:25,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:25,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:25,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:25,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:25,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:25,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:25,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:25,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:25,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:25,545 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 11:08:25,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406535672] [2020-09-21 11:08:25,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:25,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:08:25,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754198623] [2020-09-21 11:08:25,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:25,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:25,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:25,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:25,553 INFO L87 Difference]: Start difference. First operand 208 states and 245 transitions. Second operand 9 states. [2020-09-21 11:08:26,202 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:27,570 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:27,943 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:28,303 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:28,621 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:30,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:30,111 INFO L93 Difference]: Finished difference Result 674 states and 880 transitions. [2020-09-21 11:08:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:08:30,112 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 11:08:30,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:30,119 INFO L225 Difference]: With dead ends: 674 [2020-09-21 11:08:30,119 INFO L226 Difference]: Without dead ends: 494 [2020-09-21 11:08:30,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:08:30,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-09-21 11:08:30,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 371. [2020-09-21 11:08:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-09-21 11:08:30,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 440 transitions. [2020-09-21 11:08:30,267 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 440 transitions. Word has length 62 [2020-09-21 11:08:30,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:30,268 INFO L479 AbstractCegarLoop]: Abstraction has 371 states and 440 transitions. [2020-09-21 11:08:30,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:30,268 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 440 transitions. [2020-09-21 11:08:30,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-21 11:08:30,271 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:30,271 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] [2020-09-21 11:08:30,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:08:30,272 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:30,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:30,272 INFO L82 PathProgramCache]: Analyzing trace with hash 571350953, now seen corresponding path program 1 times [2020-09-21 11:08:30,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:30,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1919000654] [2020-09-21 11:08:30,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:30,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:30,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:30,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:30,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:30,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-21 11:08:30,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:30,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 394 [2020-09-21 11:08:30,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:08:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-21 11:08:30,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:31,055 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:31,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:31,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:31,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:31,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:31,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:31,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:31,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:31,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:08:31,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:31,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:31,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:31,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:31,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:31,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:31,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:31,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:31,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:31,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:31,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:31,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:31,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:31,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:31,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:31,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:31,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:31,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:31,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:31,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:31,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:31,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:31,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:31,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:31,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:31,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:31,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:31,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:31,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:31,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:31,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:31,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:31,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:31,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:31,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:31,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:31,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:31,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:31,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:31,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:31,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:31,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:31,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:31,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:31,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:31,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:31,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:31,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:31,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:31,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:31,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:31,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:31,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:31,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:31,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:31,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:31,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:31,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:31,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:31,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:31,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:31,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:31,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:31,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:31,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:31,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:31,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:31,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:31,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:31,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:08:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:31,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:31,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:31,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:31,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:31,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:31,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:31,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:31,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:31,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:31,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:08:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:31,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:31,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:31,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:31,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:31,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:31,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:31,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:31,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:31,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:31,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:31,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:31,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:31,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:08:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:31,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:31,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:31,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:31,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:31,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:31,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:31,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:31,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:31,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:31,276 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 11:08:31,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1919000654] [2020-09-21 11:08:31,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:31,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:31,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896714095] [2020-09-21 11:08:31,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:31,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:31,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:31,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:31,279 INFO L87 Difference]: Start difference. First operand 371 states and 440 transitions. Second operand 10 states. [2020-09-21 11:08:31,964 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:33,177 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:33,523 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:33,836 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:34,652 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:36,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:36,016 INFO L93 Difference]: Finished difference Result 1099 states and 1471 transitions. [2020-09-21 11:08:36,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-21 11:08:36,022 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-09-21 11:08:36,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:36,035 INFO L225 Difference]: With dead ends: 1099 [2020-09-21 11:08:36,035 INFO L226 Difference]: Without dead ends: 756 [2020-09-21 11:08:36,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-09-21 11:08:36,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-09-21 11:08:36,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 579. [2020-09-21 11:08:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-09-21 11:08:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 694 transitions. [2020-09-21 11:08:36,181 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 694 transitions. Word has length 66 [2020-09-21 11:08:36,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:36,181 INFO L479 AbstractCegarLoop]: Abstraction has 579 states and 694 transitions. [2020-09-21 11:08:36,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 694 transitions. [2020-09-21 11:08:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:08:36,184 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:36,185 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:36,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:08:36,185 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:36,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:36,186 INFO L82 PathProgramCache]: Analyzing trace with hash 206198489, now seen corresponding path program 1 times [2020-09-21 11:08:36,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:36,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1885158899] [2020-09-21 11:08:36,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:08:36,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-09-21 11:08:36,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:08:36,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:36,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:08:36,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:36,709 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:36,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:36,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:08:36,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:36,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:36,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:36,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:36,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:36,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:36,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:36,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:36,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:36,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:36,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:36,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:36,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:36,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:36,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:36,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:36,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:36,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:36,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:36,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:36,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:36,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:36,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:36,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:36,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:36,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:36,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:36,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:36,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:36,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:36,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:36,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:08:36,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:08:36,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:36,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:36,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:36,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:08:36,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:36,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:36,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:36,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:36,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:36,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:36,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:36,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:36,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:36,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:08:36,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:36,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:36,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:36,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:36,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:36,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:36,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:36,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:36,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:36,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:36,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:36,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:36,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:36,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:36,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:36,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:36,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:36,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:36,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:36,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:36,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:36,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:36,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:36,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:37,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:08:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:37,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:37,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:37,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:37,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:37,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:37,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:37,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:37,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:37,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:37,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:37,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:37,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:37,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:08:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:37,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:37,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:37,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:37,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:37,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:37,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:37,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:37,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:37,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:37,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:37,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:37,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:08:37,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1885158899] [2020-09-21 11:08:37,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:37,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:08:37,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824393656] [2020-09-21 11:08:37,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:08:37,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:37,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:08:37,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:08:37,055 INFO L87 Difference]: Start difference. First operand 579 states and 694 transitions. Second operand 8 states. [2020-09-21 11:08:37,483 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:38,138 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:42,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:42,095 INFO L93 Difference]: Finished difference Result 2518 states and 3536 transitions. [2020-09-21 11:08:42,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:08:42,096 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2020-09-21 11:08:42,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:42,109 INFO L225 Difference]: With dead ends: 2518 [2020-09-21 11:08:42,110 INFO L226 Difference]: Without dead ends: 1967 [2020-09-21 11:08:42,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-09-21 11:08:42,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2020-09-21 11:08:42,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 1581. [2020-09-21 11:08:42,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1581 states. [2020-09-21 11:08:42,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 1944 transitions. [2020-09-21 11:08:42,404 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 1944 transitions. Word has length 99 [2020-09-21 11:08:42,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:42,405 INFO L479 AbstractCegarLoop]: Abstraction has 1581 states and 1944 transitions. [2020-09-21 11:08:42,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:08:42,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1944 transitions. [2020-09-21 11:08:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:08:42,409 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:42,409 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:42,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:08:42,409 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:42,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:42,410 INFO L82 PathProgramCache]: Analyzing trace with hash -763382534, now seen corresponding path program 1 times [2020-09-21 11:08:42,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:42,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662350595] [2020-09-21 11:08:42,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:42,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -56 [2020-09-21 11:08:42,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 56 [2020-09-21 11:08:42,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:08:42,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:42,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-21 11:08:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,788 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:42,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:42,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:42,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:42,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:42,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:42,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:42,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:08:42,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:42,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:42,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:42,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:08:42,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:42,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:42,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:43,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:43,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:43,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:43,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:43,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:08:43,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:43,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:43,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:43,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:43,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:43,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:43,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:43,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:43,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:43,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:43,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:43,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:43,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:43,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:43,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:43,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:43,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:43,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:43,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:43,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:43,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:43,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:43,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:43,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:43,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:43,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:43,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:43,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:43,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:43,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:43,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:43,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:43,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:43,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:43,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:43,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:43,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:43,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:43,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:08:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:43,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:43,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:43,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:43,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:43,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:43,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:43,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:43,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:43,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:43,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:08:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:43,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:43,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:43,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:43,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:43,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:43,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:43,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:43,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:43,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:43,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:08:43,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662350595] [2020-09-21 11:08:43,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:43,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:08:43,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701694189] [2020-09-21 11:08:43,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:43,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:43,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:43,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:43,079 INFO L87 Difference]: Start difference. First operand 1581 states and 1944 transitions. Second operand 9 states. [2020-09-21 11:08:44,201 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:44,583 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:44,895 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:46,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:46,449 INFO L93 Difference]: Finished difference Result 3506 states and 4693 transitions. [2020-09-21 11:08:46,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:08:46,450 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2020-09-21 11:08:46,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:46,466 INFO L225 Difference]: With dead ends: 3506 [2020-09-21 11:08:46,466 INFO L226 Difference]: Without dead ends: 1953 [2020-09-21 11:08:46,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:08:46,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2020-09-21 11:08:46,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1581. [2020-09-21 11:08:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1581 states. [2020-09-21 11:08:46,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 1936 transitions. [2020-09-21 11:08:46,817 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 1936 transitions. Word has length 99 [2020-09-21 11:08:46,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:46,818 INFO L479 AbstractCegarLoop]: Abstraction has 1581 states and 1936 transitions. [2020-09-21 11:08:46,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:46,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1936 transitions. [2020-09-21 11:08:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:08:46,822 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:46,822 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:46,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:08:46,823 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:46,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:46,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1286005308, now seen corresponding path program 1 times [2020-09-21 11:08:46,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:46,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332408556] [2020-09-21 11:08:46,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:08:46,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:46,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:46,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-21 11:08:46,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:46,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,137 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:47,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:47,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:47,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:47,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:47,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:47,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:47,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:47,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:47,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:47,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:08:47,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:47,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:08:47,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:47,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:47,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:08:47,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:08:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:47,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:47,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:08:47,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:47,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:47,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:47,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:08:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:47,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:08:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:08:47,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332408556] [2020-09-21 11:08:47,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:47,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:47,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856246264] [2020-09-21 11:08:47,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:47,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:47,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:47,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:47,416 INFO L87 Difference]: Start difference. First operand 1581 states and 1936 transitions. Second operand 10 states. [2020-09-21 11:08:48,713 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:49,045 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:08:49,400 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:49,784 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:08:51,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:51,195 INFO L93 Difference]: Finished difference Result 3094 states and 4145 transitions. [2020-09-21 11:08:51,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:08:51,196 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2020-09-21 11:08:51,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:51,206 INFO L225 Difference]: With dead ends: 3094 [2020-09-21 11:08:51,207 INFO L226 Difference]: Without dead ends: 1541 [2020-09-21 11:08:51,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:08:51,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2020-09-21 11:08:51,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1265. [2020-09-21 11:08:51,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2020-09-21 11:08:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1522 transitions. [2020-09-21 11:08:51,505 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1522 transitions. Word has length 99 [2020-09-21 11:08:51,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:51,506 INFO L479 AbstractCegarLoop]: Abstraction has 1265 states and 1522 transitions. [2020-09-21 11:08:51,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1522 transitions. [2020-09-21 11:08:51,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-21 11:08:51,512 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:51,512 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:51,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:08:51,513 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:51,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:51,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1816296961, now seen corresponding path program 1 times [2020-09-21 11:08:51,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:51,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768788846] [2020-09-21 11:08:51,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:51,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -38 [2020-09-21 11:08:51,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 38 [2020-09-21 11:08:51,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-21 11:08:51,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:08:51,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:51,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-21 11:08:51,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-21 11:08:51,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:51,886 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:51,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:51,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:51,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:51,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:51,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:51,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:51,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:51,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:51,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:51,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:51,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:51,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:51,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:51,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:51,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:51,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:51,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:51,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:51,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:51,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:51,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:51,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:51,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:51,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:51,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:51,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:51,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:51,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:51,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:51,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:51,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:51,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:51,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:51,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:51,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:51,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:51,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:51,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:51,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 11:08:52,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:08:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:08:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:52,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:08:52,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:52,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 11:08:52,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:08:52,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:52,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:52,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:52,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:08:52,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:08:52,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:52,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:08:52,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:08:52,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:52,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:52,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:52,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:08:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:08:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:08:52,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768788846] [2020-09-21 11:08:52,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:08:52,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:08:52,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749527107] [2020-09-21 11:08:52,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:08:52,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:52,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:08:52,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:08:52,356 INFO L87 Difference]: Start difference. First operand 1265 states and 1522 transitions. Second operand 14 states. [2020-09-21 11:08:53,120 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:54,085 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:54,809 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:55,265 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:56,585 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:56,961 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:57,399 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:57,754 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:58,063 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:58,370 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:58,790 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:59,173 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:01,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:01,178 INFO L93 Difference]: Finished difference Result 2734 states and 3489 transitions. [2020-09-21 11:09:01,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-09-21 11:09:01,179 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 103 [2020-09-21 11:09:01,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:01,189 INFO L225 Difference]: With dead ends: 2734 [2020-09-21 11:09:01,189 INFO L226 Difference]: Without dead ends: 1497 [2020-09-21 11:09:01,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=435, Invalid=1727, Unknown=0, NotChecked=0, Total=2162 [2020-09-21 11:09:01,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2020-09-21 11:09:01,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1249. [2020-09-21 11:09:01,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1249 states. [2020-09-21 11:09:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1500 transitions. [2020-09-21 11:09:01,416 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1500 transitions. Word has length 103 [2020-09-21 11:09:01,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:01,417 INFO L479 AbstractCegarLoop]: Abstraction has 1249 states and 1500 transitions. [2020-09-21 11:09:01,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 11:09:01,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1500 transitions. [2020-09-21 11:09:01,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 11:09:01,421 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:01,422 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:01,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:09:01,422 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:01,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:01,423 INFO L82 PathProgramCache]: Analyzing trace with hash -897697066, now seen corresponding path program 1 times [2020-09-21 11:09:01,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:01,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450150925] [2020-09-21 11:09:01,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:01,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:01,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:01,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:01,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:01,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-21 11:09:01,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:01,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:01,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:01,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:01,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:09:01,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:09:01,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:01,817 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:01,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:01,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:01,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:01,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:01,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:01,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:01,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:01,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:01,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:01,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:01,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:01,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:01,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:01,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:01,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:01,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:01,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:01,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:01,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:01,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:01,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:01,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:01,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:01,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:01,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:01,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:01,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:01,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:01,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:01,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:01,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:01,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:01,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:01,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:01,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:01,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:01,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:01,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:01,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:01,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:01,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:01,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:01,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:01,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:01,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:01,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:01,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:01,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:01,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:01,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:01,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:01,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:01,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:01,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:01,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:01,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:01,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:01,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:01,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:01,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:01,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:01,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:09:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:01,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:01,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:01,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:01,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:01,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:01,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:01,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:01,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:01,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:01,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:01,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:09:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:01,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:01,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:01,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:01,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:01,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:01,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:01,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:01,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:01,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:01,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:01,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:09:01,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:01,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:09:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:01,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:01,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:01,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:01,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:01,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:09:01,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:01,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:01,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:01,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:01,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:09:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:09:01,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:09:02,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:09:02,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:09:02,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:02,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:02,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:09:02,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:02,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:09:02,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:02,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:09:02,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:09:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:09:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:02,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-21 11:09:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:02,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 11:09:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:02,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:09:02,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450150925] [2020-09-21 11:09:02,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:02,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:09:02,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135434995] [2020-09-21 11:09:02,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:09:02,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:02,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:09:02,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:09:02,216 INFO L87 Difference]: Start difference. First operand 1249 states and 1500 transitions. Second operand 11 states. [2020-09-21 11:09:02,916 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:03,860 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:07,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:07,882 INFO L93 Difference]: Finished difference Result 2489 states and 3173 transitions. [2020-09-21 11:09:07,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:09:07,883 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-09-21 11:09:07,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:07,893 INFO L225 Difference]: With dead ends: 2489 [2020-09-21 11:09:07,894 INFO L226 Difference]: Without dead ends: 1268 [2020-09-21 11:09:07,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=378, Invalid=1602, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:09:07,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2020-09-21 11:09:08,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 923. [2020-09-21 11:09:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2020-09-21 11:09:08,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1078 transitions. [2020-09-21 11:09:08,230 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1078 transitions. Word has length 136 [2020-09-21 11:09:08,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:08,230 INFO L479 AbstractCegarLoop]: Abstraction has 923 states and 1078 transitions. [2020-09-21 11:09:08,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:09:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1078 transitions. [2020-09-21 11:09:08,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-09-21 11:09:08,234 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:08,234 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:09:08,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:09:08,235 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:08,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:08,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1518550128, now seen corresponding path program 1 times [2020-09-21 11:09:08,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:08,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877555475] [2020-09-21 11:09:08,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-21 11:09:08,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:08,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:09:08,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-09-21 11:09:08,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-21 11:09:08,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,597 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:08,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:08,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:08,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:08,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:08,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:08,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:08,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:08,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:08,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:08,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:08,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:09:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:08,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:09:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:09:08,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:09:08,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:09:08,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:08,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:08,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:09:08,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:08,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:08,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:08,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:09:08,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:09:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:08,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:08,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:09:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:08,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:08,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:08,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-09-21 11:09:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:08,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:08,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:08,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:09:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:08,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:09:08,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:08,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:08,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:09:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:08,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:08,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:08,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-21 11:09:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:08,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:08,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:08,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:08,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:08,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:08,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:08,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:08,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:08,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:08,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:08,868 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:09:08,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877555475] [2020-09-21 11:09:08,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:09:08,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:09:08,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880918912] [2020-09-21 11:09:08,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:09:08,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:08,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:09:08,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:09:08,872 INFO L87 Difference]: Start difference. First operand 923 states and 1078 transitions. Second operand 9 states.