/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:42:19,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:42:19,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:42:19,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:42:19,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:42:19,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:42:19,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:42:19,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:42:19,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:42:19,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:42:19,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:42:19,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:42:19,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:42:19,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:42:19,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:42:19,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:42:19,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:42:19,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:42:19,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:42:19,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:42:19,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:42:19,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:42:19,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:42:19,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:42:19,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:42:19,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:42:19,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:42:19,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:42:19,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:42:19,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:42:19,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:42:19,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:42:19,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:42:19,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:42:19,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:42:19,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:42:19,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:42:19,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:42:19,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:42:19,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:42:19,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:42:19,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:42:19,224 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:42:19,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:42:19,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:42:19,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:42:19,226 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:42:19,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:42:19,226 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:42:19,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:42:19,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:42:19,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:42:19,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:42:19,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:42:19,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:42:19,228 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:42:19,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:42:19,228 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:42:19,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:42:19,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:42:19,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:42:19,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:42:19,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:42:19,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:42:19,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:42:19,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:42:19,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:42:19,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:42:19,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:42:19,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:42:19,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:42:19,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:42:19,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:42:19,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:42:19,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:42:19,658 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:42:19,659 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:42:19,660 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-09-24 15:42:19,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b60026dc/75c4e4c8c87d4bfbb067a91f707e6d0e/FLAG07fe48071 [2020-09-24 15:42:20,383 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:42:20,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-09-24 15:42:20,399 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b60026dc/75c4e4c8c87d4bfbb067a91f707e6d0e/FLAG07fe48071 [2020-09-24 15:42:20,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b60026dc/75c4e4c8c87d4bfbb067a91f707e6d0e [2020-09-24 15:42:20,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:42:20,674 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:42:20,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:42:20,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:42:20,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:42:20,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:42:20" (1/1) ... [2020-09-24 15:42:20,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c71beb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20, skipping insertion in model container [2020-09-24 15:42:20,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:42:20" (1/1) ... [2020-09-24 15:42:20,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:42:20,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:42:21,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:42:21,205 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:42:21,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:42:21,348 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:42:21,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21 WrapperNode [2020-09-24 15:42:21,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:42:21,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:42:21,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:42:21,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:42:21,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:42:21,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:42:21,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:42:21,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:42:21,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:42:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:42:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:42:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:42:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:42:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:42:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:42:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:42:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:42:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:42:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:42:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:42:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:42:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:42:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:42:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:42:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:42:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:42:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:42:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:42:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:42:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:42:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:42:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:42:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:42:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:42:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:42:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:42:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:42:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:42:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:42:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:42:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:42:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:42:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:42:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:42:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:42:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:42:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:42:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:42:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:42:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:42:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:42:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:42:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:42:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:42:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:42:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:42:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:42:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:42:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:42:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:42:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:42:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:42:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:42:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:42:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:42:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:42:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:42:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:42:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:42:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:42:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:42:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:42:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:42:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:42:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:42:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:42:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:42:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:42:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:42:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:42:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:42:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:42:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:42:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:42:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:42:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:42:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:42:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:42:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:42:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:42:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:42:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:42:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:42:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:42:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:42:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:42:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:42:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:42:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:42:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:42:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:42:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:42:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:42:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:42:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:42:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:42:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:42:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:42:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:42:22,647 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:42:22,647 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:42:22,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:42:22 BoogieIcfgContainer [2020-09-24 15:42:22,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:42:22,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:42:22,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:42:22,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:42:22,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:42:20" (1/3) ... [2020-09-24 15:42:22,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470e5842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:42:22, skipping insertion in model container [2020-09-24 15:42:22,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (2/3) ... [2020-09-24 15:42:22,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470e5842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:42:22, skipping insertion in model container [2020-09-24 15:42:22,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:42:22" (3/3) ... [2020-09-24 15:42:22,663 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2020-09-24 15:42:22,674 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:42:22,683 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:42:22,701 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:42:22,730 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:42:22,730 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:42:22,731 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:42:22,731 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:42:22,731 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:42:22,731 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:42:22,731 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:42:22,731 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:42:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2020-09-24 15:42:22,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:42:22,778 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:22,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:22,780 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:22,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:22,788 INFO L82 PathProgramCache]: Analyzing trace with hash 978294910, now seen corresponding path program 1 times [2020-09-24 15:42:22,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:22,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645626555] [2020-09-24 15:42:22,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:42:23,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:42:23,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:42:23,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:23,701 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:23,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:23,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:23,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:23,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:23,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:23,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:23,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:23,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:23,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:23,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:42:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:23,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:23,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645626555] [2020-09-24 15:42:23,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:23,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:42:23,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331037786] [2020-09-24 15:42:23,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:42:23,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:23,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:42:23,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:42:23,985 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 3 states. [2020-09-24 15:42:25,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:25,501 INFO L93 Difference]: Finished difference Result 560 states and 667 transitions. [2020-09-24 15:42:25,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:42:25,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:42:25,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:25,529 INFO L225 Difference]: With dead ends: 560 [2020-09-24 15:42:25,530 INFO L226 Difference]: Without dead ends: 340 [2020-09-24 15:42:25,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:42:25,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-09-24 15:42:25,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 294. [2020-09-24 15:42:25,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-09-24 15:42:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 323 transitions. [2020-09-24 15:42:25,648 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 323 transitions. Word has length 142 [2020-09-24 15:42:25,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:25,650 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 323 transitions. [2020-09-24 15:42:25,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:42:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 323 transitions. [2020-09-24 15:42:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:42:25,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:25,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:25,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:42:25,656 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:25,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:25,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1922789208, now seen corresponding path program 1 times [2020-09-24 15:42:25,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:25,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77839510] [2020-09-24 15:42:25,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:42:25,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:42:25,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:42:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:25,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,126 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:26,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:26,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:26,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:26,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:26,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:26,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:26,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:26,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:26,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:26,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:26,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:26,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:42:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:26,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:26,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:42:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:26,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:26,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:26,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:26,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77839510] [2020-09-24 15:42:26,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:26,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:42:26,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012738770] [2020-09-24 15:42:26,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:42:26,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:26,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:42:26,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:42:26,275 INFO L87 Difference]: Start difference. First operand 294 states and 323 transitions. Second operand 4 states. [2020-09-24 15:42:26,959 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:28,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:28,176 INFO L93 Difference]: Finished difference Result 473 states and 538 transitions. [2020-09-24 15:42:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:42:28,177 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:42:28,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:28,183 INFO L225 Difference]: With dead ends: 473 [2020-09-24 15:42:28,183 INFO L226 Difference]: Without dead ends: 323 [2020-09-24 15:42:28,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:42:28,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-09-24 15:42:28,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 284. [2020-09-24 15:42:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-24 15:42:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 310 transitions. [2020-09-24 15:42:28,232 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 310 transitions. Word has length 143 [2020-09-24 15:42:28,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:28,233 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 310 transitions. [2020-09-24 15:42:28,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:42:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 310 transitions. [2020-09-24 15:42:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 15:42:28,236 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:28,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:28,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:42:28,237 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:28,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:28,238 INFO L82 PathProgramCache]: Analyzing trace with hash -312592452, now seen corresponding path program 1 times [2020-09-24 15:42:28,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:28,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350032252] [2020-09-24 15:42:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:42:28,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:42:28,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:42:28,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:42:28,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:28,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:42:28,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:28,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,570 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:28,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:28,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:28,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:28,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:28,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:28,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:42:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:28,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:42:28,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:42:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:28,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:42:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:28,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:28,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:28,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350032252] [2020-09-24 15:42:28,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:28,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:42:28,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350831723] [2020-09-24 15:42:28,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:42:28,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:28,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:42:28,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:42:28,714 INFO L87 Difference]: Start difference. First operand 284 states and 310 transitions. Second operand 5 states. [2020-09-24 15:42:29,349 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:30,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:30,573 INFO L93 Difference]: Finished difference Result 519 states and 600 transitions. [2020-09-24 15:42:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:42:30,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-24 15:42:30,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:30,578 INFO L225 Difference]: With dead ends: 519 [2020-09-24 15:42:30,578 INFO L226 Difference]: Without dead ends: 345 [2020-09-24 15:42:30,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:42:30,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-24 15:42:30,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 284. [2020-09-24 15:42:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-24 15:42:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 309 transitions. [2020-09-24 15:42:30,624 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 309 transitions. Word has length 156 [2020-09-24 15:42:30,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:30,625 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 309 transitions. [2020-09-24 15:42:30,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:42:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 309 transitions. [2020-09-24 15:42:30,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:42:30,628 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:30,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:30,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:42:30,629 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:30,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:30,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1643670934, now seen corresponding path program 1 times [2020-09-24 15:42:30,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:30,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70449893] [2020-09-24 15:42:30,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-24 15:42:30,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:42:30,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:42:30,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:42:30,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-24 15:42:30,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,056 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:31,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:31,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:42:31,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:31,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:31,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:31,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:31,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,160 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:31,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:31,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:31,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:31,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:31,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:42:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:31,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:31,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:31,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:42:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 15:42:31,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:42:31,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:31,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:42:31,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:42:31,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:42:31,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:31,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:31,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:42:31,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:31,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:42:31,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:31,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:31,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:42:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:42:31,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:31,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:31,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 15:42:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:31,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:31,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:31,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-24 15:42:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:31,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:31,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:31,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [70449893] [2020-09-24 15:42:31,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:31,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:42:31,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969223768] [2020-09-24 15:42:31,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:42:31,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:31,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:42:31,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:42:31,329 INFO L87 Difference]: Start difference. First operand 284 states and 309 transitions. Second operand 7 states. [2020-09-24 15:42:31,866 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:33,447 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:34,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:34,598 INFO L93 Difference]: Finished difference Result 713 states and 845 transitions. [2020-09-24 15:42:34,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:42:34,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-09-24 15:42:34,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:34,604 INFO L225 Difference]: With dead ends: 713 [2020-09-24 15:42:34,604 INFO L226 Difference]: Without dead ends: 539 [2020-09-24 15:42:34,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:42:34,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-09-24 15:42:34,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 412. [2020-09-24 15:42:34,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-09-24 15:42:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 444 transitions. [2020-09-24 15:42:34,695 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 444 transitions. Word has length 174 [2020-09-24 15:42:34,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:34,695 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 444 transitions. [2020-09-24 15:42:34,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:42:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 444 transitions. [2020-09-24 15:42:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-24 15:42:34,698 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:34,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:34,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:42:34,699 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:34,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:34,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1767633038, now seen corresponding path program 1 times [2020-09-24 15:42:34,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:34,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [655147440] [2020-09-24 15:42:34,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-09-24 15:42:34,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:42:34,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:42:34,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:42:34,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-24 15:42:34,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:35,192 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:35,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:35,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:35,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:42:35,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:35,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:35,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:35,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:35,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:35,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:35,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:35,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:35,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:35,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:35,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:35,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:35,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:35,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:42:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:35,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:35,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:42:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:42:35,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:35,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:42:35,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:42:35,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:35,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:42:35,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:35,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:35,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:35,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:35,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:35,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:35,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:35,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:35,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 15:42:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:35,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:42:35,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:35,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:35,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:42:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:35,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:35,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:35,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [655147440] [2020-09-24 15:42:35,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:35,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:42:35,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408509321] [2020-09-24 15:42:35,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:42:35,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:35,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:42:35,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:42:35,612 INFO L87 Difference]: Start difference. First operand 412 states and 444 transitions. Second operand 10 states. [2020-09-24 15:42:36,092 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:37,569 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:37,898 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:42:38,308 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:38,632 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:39,340 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:39,658 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:42:39,954 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:42:40,354 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:42,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:42,211 INFO L93 Difference]: Finished difference Result 1205 states and 1439 transitions. [2020-09-24 15:42:42,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:42:42,212 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 198 [2020-09-24 15:42:42,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:42,220 INFO L225 Difference]: With dead ends: 1205 [2020-09-24 15:42:42,220 INFO L226 Difference]: Without dead ends: 903 [2020-09-24 15:42:42,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:42:42,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2020-09-24 15:42:42,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 677. [2020-09-24 15:42:42,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-09-24 15:42:42,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 736 transitions. [2020-09-24 15:42:42,325 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 736 transitions. Word has length 198 [2020-09-24 15:42:42,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:42,325 INFO L479 AbstractCegarLoop]: Abstraction has 677 states and 736 transitions. [2020-09-24 15:42:42,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:42:42,326 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 736 transitions. [2020-09-24 15:42:42,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-24 15:42:42,328 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:42,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:42,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:42:42,329 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:42,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:42,330 INFO L82 PathProgramCache]: Analyzing trace with hash -886741028, now seen corresponding path program 1 times [2020-09-24 15:42:42,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:42,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537539731] [2020-09-24 15:42:42,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-09-24 15:42:42,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 15:42:42,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:42:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:42:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-24 15:42:42,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,745 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:42,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:42,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:42:42,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:42,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:42,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:42,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:42,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:42,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:42,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:42,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:42,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:42,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:42,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:42:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:42,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:42,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:42:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:42:42,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:42:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:42:42,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:42,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:42:42,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:42,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:43,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:43,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:43,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:43,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:42:43,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:43,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:43,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:43,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:43,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:43,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:43,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:43,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:43,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:43,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:43,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:43,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:43,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:43,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:43,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:43,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:43,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:43,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:43,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:43,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:43,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:43,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:43,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:43,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:43,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:42:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:43,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:43,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:43,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:43,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:43,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:43,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:43,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:43,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:43,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:43,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 15:42:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:43,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:43,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:43,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:43,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:43,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:43,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:43,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:43,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537539731] [2020-09-24 15:42:43,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:43,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:42:43,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032249496] [2020-09-24 15:42:43,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:42:43,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:43,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:42:43,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:42:43,111 INFO L87 Difference]: Start difference. First operand 677 states and 736 transitions. Second operand 11 states. [2020-09-24 15:42:43,649 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:45,424 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:45,737 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:46,124 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:47,683 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:48,011 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:48,313 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:48,614 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:48,898 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:49,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:49,539 INFO L93 Difference]: Finished difference Result 1038 states and 1270 transitions. [2020-09-24 15:42:49,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:42:49,539 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 203 [2020-09-24 15:42:49,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:49,545 INFO L225 Difference]: With dead ends: 1038 [2020-09-24 15:42:49,546 INFO L226 Difference]: Without dead ends: 1035 [2020-09-24 15:42:49,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:42:49,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2020-09-24 15:42:49,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 677. [2020-09-24 15:42:49,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-09-24 15:42:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 735 transitions. [2020-09-24 15:42:49,637 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 735 transitions. Word has length 203 [2020-09-24 15:42:49,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:49,638 INFO L479 AbstractCegarLoop]: Abstraction has 677 states and 735 transitions. [2020-09-24 15:42:49,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:42:49,638 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 735 transitions. [2020-09-24 15:42:49,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-24 15:42:49,642 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:49,642 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:49,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:42:49,643 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:49,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:49,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1781180718, now seen corresponding path program 1 times [2020-09-24 15:42:49,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:49,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137653542] [2020-09-24 15:42:49,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-09-24 15:42:49,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:49,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:49,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-09-24 15:42:49,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:49,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,988 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:49,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:50,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:50,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:50,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:50,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:50,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:50,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:50,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:42:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:50,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:42:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:42:50,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:42:50,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:42:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:50,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,160 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:50,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:50,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:50,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:42:50,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:50,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:50,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:50,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:50,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:42:50,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:50,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:50,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:50,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:50,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:42:50,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:50,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:50,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:50,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:50,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:42:50,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:50,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:50,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:50,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:50,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:50,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:42:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:50,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 15:42:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:50,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:50,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:42:50,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137653542] [2020-09-24 15:42:50,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:50,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:42:50,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707105694] [2020-09-24 15:42:50,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:42:50,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:50,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:42:50,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:42:50,363 INFO L87 Difference]: Start difference. First operand 677 states and 735 transitions. Second operand 11 states. [2020-09-24 15:42:51,641 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:51,927 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:52,212 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:42:52,514 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:52,815 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:53,090 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:55,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:55,018 INFO L93 Difference]: Finished difference Result 1616 states and 1956 transitions. [2020-09-24 15:42:55,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:42:55,018 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 226 [2020-09-24 15:42:55,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:55,024 INFO L225 Difference]: With dead ends: 1616 [2020-09-24 15:42:55,024 INFO L226 Difference]: Without dead ends: 1049 [2020-09-24 15:42:55,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:42:55,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2020-09-24 15:42:55,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 693. [2020-09-24 15:42:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-09-24 15:42:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 751 transitions. [2020-09-24 15:42:55,132 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 751 transitions. Word has length 226 [2020-09-24 15:42:55,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:55,133 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 751 transitions. [2020-09-24 15:42:55,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:42:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 751 transitions. [2020-09-24 15:42:55,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-24 15:42:55,137 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:55,137 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:55,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:42:55,138 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:55,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:55,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1739088498, now seen corresponding path program 1 times [2020-09-24 15:42:55,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:55,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795606524] [2020-09-24 15:42:55,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:42:55,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -83 [2020-09-24 15:42:55,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 83 [2020-09-24 15:42:55,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-09-24 15:42:55,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:42:55,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:55,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-09-24 15:42:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:55,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-09-24 15:42:55,501 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:55,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:55,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:55,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:55,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:55,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:55,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:55,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:55,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:55,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:55,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:55,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:55,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:55,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:55,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:55,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:42:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:55,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:55,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:42:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:42:55,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:55,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:55,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:42:55,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:55,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:55,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:55,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:42:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:55,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:55,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:55,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:42:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:55,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:55,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:55,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:42:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:55,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:55,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:55,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:55,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:55,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:55,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:55,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:42:55,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:55,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:55,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:55,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:55,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:55,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:55,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:55,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:42:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:55,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:55,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:55,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 15:42:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:55,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:55,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:55,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:55,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:55,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:55,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:55,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:55,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:55,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:55,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:55,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:42:55,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795606524] [2020-09-24 15:42:55,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:55,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:42:55,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238500566] [2020-09-24 15:42:55,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:42:55,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:55,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:42:55,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:42:55,802 INFO L87 Difference]: Start difference. First operand 693 states and 751 transitions. Second operand 10 states. [2020-09-24 15:42:56,936 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:57,214 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:57,510 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:57,821 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:58,098 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:59,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:59,786 INFO L93 Difference]: Finished difference Result 1650 states and 1992 transitions. [2020-09-24 15:42:59,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:42:59,786 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2020-09-24 15:42:59,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:59,793 INFO L225 Difference]: With dead ends: 1650 [2020-09-24 15:42:59,793 INFO L226 Difference]: Without dead ends: 1067 [2020-09-24 15:42:59,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:42:59,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2020-09-24 15:42:59,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 705. [2020-09-24 15:42:59,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2020-09-24 15:42:59,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 763 transitions. [2020-09-24 15:42:59,882 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 763 transitions. Word has length 226 [2020-09-24 15:42:59,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:59,883 INFO L479 AbstractCegarLoop]: Abstraction has 705 states and 763 transitions. [2020-09-24 15:42:59,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:42:59,883 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 763 transitions. [2020-09-24 15:42:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-24 15:42:59,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:59,885 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:59,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:42:59,886 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:59,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:59,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1490451691, now seen corresponding path program 1 times [2020-09-24 15:42:59,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:59,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628488094] [2020-09-24 15:42:59,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-09-24 15:42:59,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:42:59,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:42:59,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:42:59,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-24 15:42:59,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,317 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:43:00,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:43:00,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:00,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:43:00,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:00,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:43:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:00,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:43:00,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:43:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:00,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:43:00,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:43:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:00,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:43:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:43:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:00,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:43:00,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:00,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:43:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:00,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:43:00,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:43:00,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:43:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:00,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:43:00,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:43:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,483 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:43:00,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:00,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 15:43:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 15:43:00,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:43:00,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:00,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:43:00,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:00,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:43:00,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:00,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:43:00,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:43:00,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:43:00,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:43:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:43:00,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:00,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:43:00,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:00,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:43:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:43:00,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:43:00,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 28 [2020-09-24 15:43:00,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:43:00,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:00,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:43:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:00,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:43:00,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:43:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:00,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 15:43:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:00,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:00,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:43:00,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628488094] [2020-09-24 15:43:00,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:43:00,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:43:00,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423704469] [2020-09-24 15:43:00,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:43:00,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:00,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:43:00,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:43:00,732 INFO L87 Difference]: Start difference. First operand 705 states and 763 transitions. Second operand 8 states. [2020-09-24 15:43:01,193 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:01,968 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:05,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:43:05,142 INFO L93 Difference]: Finished difference Result 2339 states and 2913 transitions. [2020-09-24 15:43:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:43:05,143 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 226 [2020-09-24 15:43:05,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:43:05,153 INFO L225 Difference]: With dead ends: 2339 [2020-09-24 15:43:05,153 INFO L226 Difference]: Without dead ends: 1744 [2020-09-24 15:43:05,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:43:05,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2020-09-24 15:43:05,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1167. [2020-09-24 15:43:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states. [2020-09-24 15:43:05,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1303 transitions. [2020-09-24 15:43:05,308 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1303 transitions. Word has length 226 [2020-09-24 15:43:05,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:43:05,308 INFO L479 AbstractCegarLoop]: Abstraction has 1167 states and 1303 transitions. [2020-09-24 15:43:05,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:43:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1303 transitions. [2020-09-24 15:43:05,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-09-24 15:43:05,311 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:43:05,311 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:43:05,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:43:05,312 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:43:05,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:43:05,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1016892206, now seen corresponding path program 1 times [2020-09-24 15:43:05,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:43:05,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442107954] [2020-09-24 15:43:05,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:43:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:43:05,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -46 [2020-09-24 15:43:05,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 46 [2020-09-24 15:43:05,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-09-24 15:43:05,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:43:05,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:05,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-24 15:43:05,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 15:43:05,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,662 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:43:05,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:43:05,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:05,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:05,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:43:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:05,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:05,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:05,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:05,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:43:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:05,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:05,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:05,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:43:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:05,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:05,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:05,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:05,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:43:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:05,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:05,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:05,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:05,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:43:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:05,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:05,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:05,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:43:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:05,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:05,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:43:05,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:43:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:05,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:05,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:43:05,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:05,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:43:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:43:05,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:43:05,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:05,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-24 15:43:05,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:43:05,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:05,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:43:05,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:43:05,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-24 15:43:05,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:43:05,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:43:05,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:05,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:43:05,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:43:05,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:05,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:05,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:05,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:43:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:43:05,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:05,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:05,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:43:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:43:05,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:43:05,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:05,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:43:05,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:43:05,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:43:05,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:43:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:43:05,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:05,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:05,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:05,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:05,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:05,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:05,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:05,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:05,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:05,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:05,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:43:05,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:43:05,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:06,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:43:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:06,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:06,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:06,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:06,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:06,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:06,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:06,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:06,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:43:06,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:06,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:43:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:06,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:06,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:06,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:06,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:06,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:06,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:06,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:06,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:06,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:06,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:06,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:06,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:06,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-24 15:43:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:06,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:06,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:06,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:06,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:06,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:06,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:06,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:06,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:06,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:06,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:06,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:06,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:06,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:43:06,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442107954] [2020-09-24 15:43:06,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:43:06,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:43:06,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013335028] [2020-09-24 15:43:06,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:43:06,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:06,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:43:06,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:43:06,117 INFO L87 Difference]: Start difference. First operand 1167 states and 1303 transitions. Second operand 17 states. [2020-09-24 15:43:06,594 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:07,650 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:09,182 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:09,532 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:09,900 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:10,239 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:10,538 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:10,843 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:11,168 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:11,492 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:11,818 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:12,124 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:12,454 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:12,763 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:13,072 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:13,387 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:13,686 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:14,061 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:14,467 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:14,827 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188