/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --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_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:34:33,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:34:33,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:34:33,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:34:33,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:34:33,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:34:33,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:34:33,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:34:33,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:34:33,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:34:33,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:34:33,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:34:33,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:34:33,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:34:33,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:34:33,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:34:33,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:34:33,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:34:33,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:34:33,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:34:33,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:34:33,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:34:33,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:34:33,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:34:33,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:34:33,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:34:33,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:34:33,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:34:33,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:34:33,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:34:33,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:34:33,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:34:33,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:34:33,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:34:33,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:34:33,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:34:33,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:34:33,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:34:33,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:34:33,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:34:33,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:34:33,640 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 22:34:33,687 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:34:33,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:34:33,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:34:33,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:34:33,690 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:34:33,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:34:33,691 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:34:33,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:34:33,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:34:33,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:34:33,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:34:33,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:34:33,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:34:33,694 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:34:33,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:34:33,694 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:34:33,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:34:33,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:34:33,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:34:33,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:34:33,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:34:33,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:34:33,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:34:33,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:34:33,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:34:33,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:34:33,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:34:33,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:34:33,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:34:33,697 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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:34:34,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:34:34,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:34:34,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:34:34,230 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:34:34,231 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:34:34,232 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-09-24 22:34:34,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18c499ae8/be44ef682479440ebbdb2fbdf6e3d4c6/FLAG9e388e5a6 [2020-09-24 22:34:35,025 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:34:35,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-09-24 22:34:35,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18c499ae8/be44ef682479440ebbdb2fbdf6e3d4c6/FLAG9e388e5a6 [2020-09-24 22:34:35,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18c499ae8/be44ef682479440ebbdb2fbdf6e3d4c6 [2020-09-24 22:34:35,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:34:35,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:34:35,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:34:35,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:34:35,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:34:35,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:34:35" (1/1) ... [2020-09-24 22:34:35,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b54cc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:35, skipping insertion in model container [2020-09-24 22:34:35,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:34:35" (1/1) ... [2020-09-24 22:34:35,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:34:35,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:34:35,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:34:35,856 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:34:35,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:34:36,025 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:34:36,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:36 WrapperNode [2020-09-24 22:34:36,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:34:36,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:34:36,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:34:36,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:34:36,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:36" (1/1) ... [2020-09-24 22:34:36,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:36" (1/1) ... [2020-09-24 22:34:36,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:36" (1/1) ... [2020-09-24 22:34:36,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:36" (1/1) ... [2020-09-24 22:34:36,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:36" (1/1) ... [2020-09-24 22:34:36,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:36" (1/1) ... [2020-09-24 22:34:36,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:36" (1/1) ... [2020-09-24 22:34:36,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:34:36,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:34:36,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:34:36,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:34:36,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:36" (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 22:34:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:34:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:34:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:34:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:34:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:34:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:34:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:34:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:34:36,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:34:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:34:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:34:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:34:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:34:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:34:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:34:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:34:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:34:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:34:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:34:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 22:34:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:34:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:34:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:34:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:34:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:34:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:34:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 22:34:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 22:34:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:34:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:34:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:34:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:34:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:34:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:34:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:34:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:34:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:34:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:34:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:34:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:34:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:34:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:34:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:34:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:34:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:34:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:34:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:34:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:34:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:34:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:34:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:34:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:34:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:34:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:34:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:34:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:34:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:34:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:34:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:34:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:34:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:34:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:34:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:34:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:34:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:34:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:34:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:34:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:34:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:34:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:34:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:34:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:34:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:34:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:34:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 22:34:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 22:34:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:34:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:34:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:34:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:34:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:34:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 22:34:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:34:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:34:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:34:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:34:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:34:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:34:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:34:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:34:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:34:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:34:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:34:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:34:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:34:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:34:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:34:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:34:37,472 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:34:37,472 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:34:37,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:34:37 BoogieIcfgContainer [2020-09-24 22:34:37,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:34:37,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:34:37,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:34:37,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:34:37,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:34:35" (1/3) ... [2020-09-24 22:34:37,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d8ee46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:34:37, skipping insertion in model container [2020-09-24 22:34:37,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:36" (2/3) ... [2020-09-24 22:34:37,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d8ee46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:34:37, skipping insertion in model container [2020-09-24 22:34:37,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:34:37" (3/3) ... [2020-09-24 22:34:37,496 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-09-24 22:34:37,506 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:34:37,517 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:34:37,536 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:34:37,567 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:34:37,567 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:34:37,567 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:34:37,568 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:34:37,568 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:34:37,568 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:34:37,568 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:34:37,568 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:34:37,595 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states. [2020-09-24 22:34:37,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 22:34:37,614 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:34:37,615 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] [2020-09-24 22:34:37,616 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:34:37,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:34:37,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1132386032, now seen corresponding path program 1 times [2020-09-24 22:34:37,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:34:37,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951313714] [2020-09-24 22:34:37,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:34:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:38,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:38,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:39,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:42,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:42,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 22:34:42,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:34:42,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-24 22:34:42,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:34:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-24 22:34:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:34:42,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-24 22:34:43,698 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:34:43,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:43,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:43,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:43,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:34:43,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:43,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 22:34:43,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:43,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:34:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:43,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:43,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:43,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:43,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:43,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:43,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:43,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:43,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:34:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:43,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:43,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:43,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:43,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:43,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:43,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:43,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:43,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:34:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:43,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:43,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:43,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:43,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:43,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:34:43,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:43,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:43,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:43,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:43,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:43,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:34:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:43,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:43,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:43,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:43,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:43,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:43,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:43,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:43,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:34:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:43,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:43,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:43,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:34:43,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:43,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:43,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:43,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:43,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:34:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:43,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:43,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:43,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:34:43,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:43,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:34:43,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:43,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:43,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:43,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:43,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:43,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:43,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:44,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:44,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:44,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 22:34:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:44,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:44,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:44,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:44,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:44,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:34:44,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:34:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:34:44,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:44,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 22:34:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:44,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:44,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:44,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:44,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:44,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:34:44,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:34:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:34:44,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:34:44,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951313714] [2020-09-24 22:34:44,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:34:44,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:34:44,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648026496] [2020-09-24 22:34:44,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:34:44,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:34:44,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:34:44,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:34:44,121 INFO L87 Difference]: Start difference. First operand 326 states. Second operand 9 states. [2020-09-24 22:34:44,741 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:34:45,497 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:34:45,820 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:34:47,379 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:34:47,696 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:34:48,084 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:34:48,521 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:34:48,836 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:34:49,131 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:34:49,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:34:49,790 INFO L93 Difference]: Finished difference Result 621 states and 748 transitions. [2020-09-24 22:34:49,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:34:49,792 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 22:34:49,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:34:49,814 INFO L225 Difference]: With dead ends: 621 [2020-09-24 22:34:49,814 INFO L226 Difference]: Without dead ends: 419 [2020-09-24 22:34:49,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:34:49,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-09-24 22:34:49,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 368. [2020-09-24 22:34:49,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-09-24 22:34:49,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 410 transitions. [2020-09-24 22:34:49,964 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 410 transitions. Word has length 160 [2020-09-24 22:34:49,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:34:49,965 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 410 transitions. [2020-09-24 22:34:49,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:34:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 410 transitions. [2020-09-24 22:34:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-24 22:34:49,972 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:34:49,972 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] [2020-09-24 22:34:49,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:34:49,973 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:34:49,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:34:49,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1601774306, now seen corresponding path program 1 times [2020-09-24 22:34:49,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:34:49,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585388108] [2020-09-24 22:34:49,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:34:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:50,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:50,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:52,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:52,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 22:34:52,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:34:52,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2304 [2020-09-24 22:34:52,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:34:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-09-24 22:34:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:34:52,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:52,611 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:34:52,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:52,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:52,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:52,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:34:52,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:52,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 22:34:52,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:52,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:52,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:52,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:52,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:52,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:34:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:52,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:52,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:52,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:52,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:52,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:52,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:52,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:52,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:34:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:52,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:52,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:52,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:52,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:52,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:52,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:52,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:52,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:52,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:52,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:52,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:34:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:52,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:52,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:52,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:52,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:52,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:34:52,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:52,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:52,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:52,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:52,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:52,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:34:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:52,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:52,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:52,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:52,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:52,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:34:52,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:52,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:52,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:34:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:52,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:52,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:52,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:34:52,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:52,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:52,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:52,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:52,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:52,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:52,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:52,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 22:34:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:52,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:52,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:52,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:34:52,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:52,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:34:52,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:52,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:52,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:52,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:52,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:52,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:52,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:52,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:52,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:52,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:52,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:52,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:52,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:52,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:52,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:52,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:34:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:52,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:52,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:52,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:34:52,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:52,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-24 22:34:52,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:52,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:34:52,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:34:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:34:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:52,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:34:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:52,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:52,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:52,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:34:52,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:52,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 22:34:52,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:52,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:34:53,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:53,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:34:53,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:53,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:34:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:53,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:53,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:53,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:34:53,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:53,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:34:53,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:53,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:53,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:34:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:53,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:53,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:53,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:34:53,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:53,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:34:53,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:34:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:53,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:53,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:34:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:53,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:53,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:53,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:34:53,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:53,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:34:53,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:53,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:53,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:53,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:34:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:53,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:53,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:53,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:53,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:53,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:34:53,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:53,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:53,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:53,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:53,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:53,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:34:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:53,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:53,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:53,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:34:53,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:53,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:34:53,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:53,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:53,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:53,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:53,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 22:34:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:53,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:53,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:53,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:53,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:53,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:53,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:34:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:53,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:53,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 22:34:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:53,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:53,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:53,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:53,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:53,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:53,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:53,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:53,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:34:53,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:53,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:53,188 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 22:34:53,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585388108] [2020-09-24 22:34:53,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:34:53,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:34:53,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310281337] [2020-09-24 22:34:53,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:34:53,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:34:53,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:34:53,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:34:53,195 INFO L87 Difference]: Start difference. First operand 368 states and 410 transitions. Second operand 10 states. [2020-09-24 22:34:54,856 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:34:55,232 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:34:55,564 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:34:55,888 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:34:56,226 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:34:56,532 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:34:57,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:34:57,558 INFO L93 Difference]: Finished difference Result 718 states and 870 transitions. [2020-09-24 22:34:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 22:34:57,559 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 216 [2020-09-24 22:34:57,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:34:57,565 INFO L225 Difference]: With dead ends: 718 [2020-09-24 22:34:57,565 INFO L226 Difference]: Without dead ends: 465 [2020-09-24 22:34:57,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 22:34:57,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-09-24 22:34:57,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 382. [2020-09-24 22:34:57,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-09-24 22:34:57,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 427 transitions. [2020-09-24 22:34:57,651 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 427 transitions. Word has length 216 [2020-09-24 22:34:57,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:34:57,652 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 427 transitions. [2020-09-24 22:34:57,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:34:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 427 transitions. [2020-09-24 22:34:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-24 22:34:57,656 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:34:57,656 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] [2020-09-24 22:34:57,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:34:57,657 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:34:57,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:34:57,657 INFO L82 PathProgramCache]: Analyzing trace with hash -161974914, now seen corresponding path program 1 times [2020-09-24 22:34:57,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:34:57,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026204847] [2020-09-24 22:34:57,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:34:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:57,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:57,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:59,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:59,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 22:34:59,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:34:59,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1761 [2020-09-24 22:34:59,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:34:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-24 22:34:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:34:59,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:59,803 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:34:59,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:59,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:59,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:59,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:34:59,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:59,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 22:34:59,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:34:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:59,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:59,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:59,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:59,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:59,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:59,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:59,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:59,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:59,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:59,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:59,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:34:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:59,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:59,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:59,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:59,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:59,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:34:59,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:59,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:59,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:59,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:34:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:59,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:59,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:59,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:59,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:59,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:34:59,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:59,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:59,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:59,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:34:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:59,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:59,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:59,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:59,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:59,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:34:59,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:59,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:59,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:59,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:59,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:00,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:00,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:00,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:00,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:00,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 22:35:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:00,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:00,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:00,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:00,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:00,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:00,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:00,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:00,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:35:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:35:00,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-24 22:35:00,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:35:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:00,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:00,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 22:35:00,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:00,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:35:00,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:00,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:00,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:35:00,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:35:00,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:00,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:00,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:35:00,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 22:35:00,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:00,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:35:00,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:00,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:35:00,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:00,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:00,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:00,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:00,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:00,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:00,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:00,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:35:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:00,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:00,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:00,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 22:35:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:00,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:00,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:00,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:00,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:00,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 22:35:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:00,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:00,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:00,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:00,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:00,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:00,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:00,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:00,355 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 22:35:00,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026204847] [2020-09-24 22:35:00,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:00,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:35:00,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843524289] [2020-09-24 22:35:00,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:35:00,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:00,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:35:00,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:35:00,358 INFO L87 Difference]: Start difference. First operand 382 states and 427 transitions. Second operand 9 states. [2020-09-24 22:35:01,823 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:02,149 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:35:02,493 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:02,835 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:35:03,194 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:04,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:04,223 INFO L93 Difference]: Finished difference Result 741 states and 896 transitions. [2020-09-24 22:35:04,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 22:35:04,223 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 216 [2020-09-24 22:35:04,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:04,229 INFO L225 Difference]: With dead ends: 741 [2020-09-24 22:35:04,229 INFO L226 Difference]: Without dead ends: 474 [2020-09-24 22:35:04,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:35:04,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-09-24 22:35:04,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 388. [2020-09-24 22:35:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-09-24 22:35:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 433 transitions. [2020-09-24 22:35:04,281 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 433 transitions. Word has length 216 [2020-09-24 22:35:04,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:04,281 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 433 transitions. [2020-09-24 22:35:04,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:35:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 433 transitions. [2020-09-24 22:35:04,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-24 22:35:04,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:04,285 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] [2020-09-24 22:35:04,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:35:04,286 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:04,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:04,286 INFO L82 PathProgramCache]: Analyzing trace with hash -782446661, now seen corresponding path program 1 times [2020-09-24 22:35:04,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:04,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981233281] [2020-09-24 22:35:04,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:04,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:04,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 22:35:08,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:35:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3877 [2020-09-24 22:35:08,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 22:35:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:35:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,534 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:08,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:08,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 22:35:08,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:08,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:08,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:08,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:08,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:08,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:08,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:08,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:08,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:08,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:08,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 22:35:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:08,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:08,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:35:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:08,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:08,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:35:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:35:08,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 22:35:08,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-24 22:35:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:08,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:35:08,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:08,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:08,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:35:08,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:35:08,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:35:08,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:08,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:08,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:08,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:35:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:08,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:08,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 22:35:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:08,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:08,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 22:35:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:08,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:08,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:08,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:08,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:08,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:08,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:08,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:08,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:08,904 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 22:35:08,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981233281] [2020-09-24 22:35:08,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:08,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:35:08,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234816775] [2020-09-24 22:35:08,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:35:08,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:08,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:35:08,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:35:08,907 INFO L87 Difference]: Start difference. First operand 388 states and 433 transitions. Second operand 6 states. [2020-09-24 22:35:09,585 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:10,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:10,987 INFO L93 Difference]: Finished difference Result 627 states and 718 transitions. [2020-09-24 22:35:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 22:35:10,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2020-09-24 22:35:10,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:10,993 INFO L225 Difference]: With dead ends: 627 [2020-09-24 22:35:10,993 INFO L226 Difference]: Without dead ends: 436 [2020-09-24 22:35:10,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:35:10,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-09-24 22:35:11,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 368. [2020-09-24 22:35:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-09-24 22:35:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 401 transitions. [2020-09-24 22:35:11,053 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 401 transitions. Word has length 216 [2020-09-24 22:35:11,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:11,053 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 401 transitions. [2020-09-24 22:35:11,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:35:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 401 transitions. [2020-09-24 22:35:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-24 22:35:11,058 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:11,059 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] [2020-09-24 22:35:11,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:35:11,059 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:11,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:11,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1775940511, now seen corresponding path program 1 times [2020-09-24 22:35:11,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:11,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782190889] [2020-09-24 22:35:11,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:12,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:12,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-24 22:35:12,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:12,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1451 [2020-09-24 22:35:12,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 22:35:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 22:35:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 22:35:12,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:12,912 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:12,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:13,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-09-24 22:35:13,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 22:35:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:13,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:13,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:35:13,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:13,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:13,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:35:13,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:13,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 22:35:13,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:13,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:13,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:13,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:35:13,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:13,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:13,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:35:13,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 22:35:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:13,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:35:13,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:35:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 22:35:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:13,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:35:13,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:35:13,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:13,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:13,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:13,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:13,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:13,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 22:35:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:35:13,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 22:35:13,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 22:35:13,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 22:35:13,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:13,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 22:35:13,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:13,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:13,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:13,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:35:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:35:13,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 22:35:13,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 22:35:13,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:35:13,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:13,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:13,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:13,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:13,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:13,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:13,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:13,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:35:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:13,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:13,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:13,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 22:35:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:13,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:13,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:13,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 22:35:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:13,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:13,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:13,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:13,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:13,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:13,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:13,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:13,836 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 22:35:13,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782190889] [2020-09-24 22:35:13,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:13,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:35:13,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321590040] [2020-09-24 22:35:13,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:35:13,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:13,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:35:13,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:35:13,841 INFO L87 Difference]: Start difference. First operand 368 states and 401 transitions. Second operand 8 states. [2020-09-24 22:35:14,574 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:15,233 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:18,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:18,403 INFO L93 Difference]: Finished difference Result 1122 states and 1379 transitions. [2020-09-24 22:35:18,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 22:35:18,404 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 229 [2020-09-24 22:35:18,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:18,410 INFO L225 Difference]: With dead ends: 1122 [2020-09-24 22:35:18,410 INFO L226 Difference]: Without dead ends: 869 [2020-09-24 22:35:18,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-09-24 22:35:18,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-09-24 22:35:18,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 652. [2020-09-24 22:35:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-09-24 22:35:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 728 transitions. [2020-09-24 22:35:18,495 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 728 transitions. Word has length 229 [2020-09-24 22:35:18,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:18,496 INFO L479 AbstractCegarLoop]: Abstraction has 652 states and 728 transitions. [2020-09-24 22:35:18,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:35:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 728 transitions. [2020-09-24 22:35:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-24 22:35:18,500 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:18,500 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, 1, 1, 1] [2020-09-24 22:35:18,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 22:35:18,501 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:18,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:18,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1048196984, now seen corresponding path program 1 times [2020-09-24 22:35:18,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:18,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877749680] [2020-09-24 22:35:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:18,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:18,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:23,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:23,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-24 22:35:23,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:35:23,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-24 22:35:23,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:23,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 22:35:23,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-24 22:35:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-24 22:35:23,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0