/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 SequenceOfStatements --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec13_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 00:18:40,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 00:18:40,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 00:18:40,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 00:18:40,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 00:18:40,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 00:18:40,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 00:18:40,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 00:18:40,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 00:18:40,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 00:18:40,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 00:18:40,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 00:18:40,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 00:18:40,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 00:18:40,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 00:18:40,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 00:18:40,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 00:18:40,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 00:18:40,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 00:18:40,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 00:18:40,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 00:18:40,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 00:18:40,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 00:18:40,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 00:18:40,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 00:18:40,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 00:18:40,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 00:18:40,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 00:18:40,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 00:18:40,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 00:18:40,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 00:18:40,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 00:18:40,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 00:18:40,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 00:18:40,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 00:18:40,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 00:18:40,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 00:18:40,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 00:18:40,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 00:18:40,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 00:18:40,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 00:18:40,567 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 [2020-10-15 00:18:40,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 00:18:40,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 00:18:40,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 00:18:40,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 00:18:40,592 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 00:18:40,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 00:18:40,592 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 00:18:40,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 00:18:40,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 00:18:40,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 00:18:40,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 00:18:40,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 00:18:40,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 00:18:40,594 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 00:18:40,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 00:18:40,594 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 00:18:40,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 00:18:40,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 00:18:40,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 00:18:40,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 00:18:40,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 00:18:40,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 00:18:40,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 00:18:40,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 00:18:40,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 00:18:40,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 00:18:40,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 00:18:40,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 00:18:40,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 00:18:40,597 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 -> SequenceOfStatements 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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 00:18:40,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 00:18:40,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 00:18:40,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 00:18:40,916 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 00:18:40,916 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 00:18:40,917 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec13_productSimulator.cil.c [2020-10-15 00:18:40,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c62fbec7f/4c068e8f96f24724a1c5f92dd91eb1b3/FLAG3a1231a7b [2020-10-15 00:18:41,557 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 00:18:41,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec13_productSimulator.cil.c [2020-10-15 00:18:41,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c62fbec7f/4c068e8f96f24724a1c5f92dd91eb1b3/FLAG3a1231a7b [2020-10-15 00:18:41,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c62fbec7f/4c068e8f96f24724a1c5f92dd91eb1b3 [2020-10-15 00:18:41,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 00:18:41,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 00:18:41,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 00:18:41,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 00:18:41,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 00:18:41,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:18:41" (1/1) ... [2020-10-15 00:18:41,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ca0513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:18:41, skipping insertion in model container [2020-10-15 00:18:41,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:18:41" (1/1) ... [2020-10-15 00:18:41,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 00:18:41,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 00:18:42,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:18:42,592 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 00:18:42,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:18:42,842 INFO L208 MainTranslator]: Completed translation [2020-10-15 00:18:42,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:18:42 WrapperNode [2020-10-15 00:18:42,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 00:18:42,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 00:18:42,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 00:18:42,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 00:18:42,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:18:42" (1/1) ... [2020-10-15 00:18:42,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:18:42" (1/1) ... [2020-10-15 00:18:42,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:18:42" (1/1) ... [2020-10-15 00:18:42,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:18:42" (1/1) ... [2020-10-15 00:18:42,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:18:42" (1/1) ... [2020-10-15 00:18:43,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:18:42" (1/1) ... [2020-10-15 00:18:43,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:18:42" (1/1) ... [2020-10-15 00:18:43,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 00:18:43,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 00:18:43,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 00:18:43,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 00:18:43,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:18:42" (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 [2020-10-15 00:18:43,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 00:18:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 00:18:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 00:18:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 00:18:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 00:18:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 00:18:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 00:18:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 00:18:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 00:18:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-15 00:18:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-15 00:18:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-15 00:18:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-15 00:18:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-15 00:18:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-15 00:18:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-15 00:18:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-15 00:18:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 00:18:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-15 00:18:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-15 00:18:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-15 00:18:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 00:18:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-15 00:18:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 00:18:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 00:18:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 00:18:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__1 [2020-10-15 00:18:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__2 [2020-10-15 00:18:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-15 00:18:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-15 00:18:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-15 00:18:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-15 00:18:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-15 00:18:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-15 00:18:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-15 00:18:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-15 00:18:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 00:18:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 00:18:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 00:18:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 00:18:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 00:18:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-15 00:18:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-15 00:18:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-15 00:18:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 00:18:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-15 00:18:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-15 00:18:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2020-10-15 00:18:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2020-10-15 00:18:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-15 00:18:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2020-10-15 00:18:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2020-10-15 00:18:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-15 00:18:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2020-10-15 00:18:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2020-10-15 00:18:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2020-10-15 00:18:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2020-10-15 00:18:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-15 00:18:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-15 00:18:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-15 00:18:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-15 00:18:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-15 00:18:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-15 00:18:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-15 00:18:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-15 00:18:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-15 00:18:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-15 00:18:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-15 00:18:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-15 00:18:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2020-10-15 00:18:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2020-10-15 00:18:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-15 00:18:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-15 00:18:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-15 00:18:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-15 00:18:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-15 00:18:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-15 00:18:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-15 00:18:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-15 00:18:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-15 00:18:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-15 00:18:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2020-10-15 00:18:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2020-10-15 00:18:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 00:18:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2020-10-15 00:18:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2020-10-15 00:18:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-15 00:18:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-15 00:18:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-15 00:18:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-15 00:18:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-15 00:18:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-15 00:18:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 00:18:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 00:18:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 00:18:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 00:18:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 00:18:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 00:18:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 00:18:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 00:18:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 00:18:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 00:18:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 00:18:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 00:18:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 00:18:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 00:18:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 00:18:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 00:18:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 00:18:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 00:18:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 00:18:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-15 00:18:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-15 00:18:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-15 00:18:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-15 00:18:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-15 00:18:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-15 00:18:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-15 00:18:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-15 00:18:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-15 00:18:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-15 00:18:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 00:18:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-15 00:18:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-15 00:18:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-15 00:18:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 00:18:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-15 00:18:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-15 00:18:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-15 00:18:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-15 00:18:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-15 00:18:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 00:18:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-15 00:18:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 00:18:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 00:18:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 00:18:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 00:18:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 00:18:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 00:18:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 00:18:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 00:18:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-15 00:18:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__1 [2020-10-15 00:18:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-15 00:18:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__2 [2020-10-15 00:18:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-15 00:18:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-15 00:18:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-15 00:18:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-15 00:18:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-15 00:18:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-15 00:18:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-15 00:18:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 00:18:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-15 00:18:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-15 00:18:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 00:18:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-15 00:18:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-15 00:18:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-15 00:18:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-15 00:18:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-15 00:18:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-15 00:18:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-15 00:18:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-15 00:18:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-15 00:18:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2020-10-15 00:18:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2020-10-15 00:18:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2020-10-15 00:18:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2020-10-15 00:18:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2020-10-15 00:18:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2020-10-15 00:18:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2020-10-15 00:18:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2020-10-15 00:18:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-15 00:18:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-15 00:18:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-15 00:18:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-15 00:18:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-15 00:18:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-15 00:18:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2020-10-15 00:18:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2020-10-15 00:18:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-15 00:18:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-15 00:18:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-15 00:18:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-15 00:18:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-15 00:18:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-15 00:18:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-15 00:18:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-15 00:18:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-15 00:18:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2020-10-15 00:18:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2020-10-15 00:18:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2020-10-15 00:18:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2020-10-15 00:18:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-15 00:18:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-15 00:18:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 00:18:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 00:18:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 00:18:45,908 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 00:18:45,909 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-15 00:18:45,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:18:45 BoogieIcfgContainer [2020-10-15 00:18:45,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 00:18:45,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 00:18:45,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 00:18:45,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 00:18:45,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:18:41" (1/3) ... [2020-10-15 00:18:45,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491987f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:18:45, skipping insertion in model container [2020-10-15 00:18:45,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:18:42" (2/3) ... [2020-10-15 00:18:45,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491987f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:18:45, skipping insertion in model container [2020-10-15 00:18:45,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:18:45" (3/3) ... [2020-10-15 00:18:45,938 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec13_productSimulator.cil.c [2020-10-15 00:18:45,950 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 00:18:45,969 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 00:18:45,989 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 00:18:46,034 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 00:18:46,034 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 00:18:46,034 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 00:18:46,034 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 00:18:46,034 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 00:18:46,034 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 00:18:46,035 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 00:18:46,035 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 00:18:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states. [2020-10-15 00:18:46,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-15 00:18:46,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:18:46,139 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:18:46,140 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:18:46,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:18:46,149 INFO L82 PathProgramCache]: Analyzing trace with hash 306173938, now seen corresponding path program 1 times [2020-10-15 00:18:46,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:18:46,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1154107942] [2020-10-15 00:18:46,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:18:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:46,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:47,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:47,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:47,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:47,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:47,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:50,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:51,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:51,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:51,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-15 00:18:51,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 00:18:51,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-15 00:18:51,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:51,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:18:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-15 00:18:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 00:18:51,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-15 00:18:53,266 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-15 00:18:53,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:18:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:53,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:53,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:18:53,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:53,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-15 00:18:53,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:53,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:53,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:53,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:53,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:53,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:18:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:53,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:53,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:18:53,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:53,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:18:53,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:53,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:53,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:53,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:53,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:53,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:53,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:18:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:53,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:53,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-15 00:18:53,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 00:18:53,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:53,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:53,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:53,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:18:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:53,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:53,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:18:53,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:53,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:18:53,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:53,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:53,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:53,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:53,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:53,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 00:18:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:53,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:53,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:18:53,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:53,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:18:53,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:53,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:53,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:53,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 00:18:53,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:18:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:53,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:53,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:18:53,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:53,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:18:53,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:53,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:53,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:53,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 00:18:53,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 00:18:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:53,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:53,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:18:53,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:53,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:18:53,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:53,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:53,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:53,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 00:18:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:53,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:53,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:18:53,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:53,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:18:53,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:53,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:53,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:53,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:53,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 00:18:53,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 00:18:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:53,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:53,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:18:53,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:53,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:18:53,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:53,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:53,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:53,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:53,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:53,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 00:18:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:53,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:53,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:18:53,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:53,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 00:18:53,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:53,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:53,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:53,802 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 00:18:53,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-15 00:18:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:53,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:53,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:54,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:54,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:18:54,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 00:18:54,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1177 [2020-10-15 00:18:54,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:54,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:18:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 00:18:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 00:18:54,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:55,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:18:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:55,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:55,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:18:55,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:18:55,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 00:18:55,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:55,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:18:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:18:55,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:55,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:18:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:55,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:55,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:18:55,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:18:55,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-15 00:18:55,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:55,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:18:55,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:18:55,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 00:18:55,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:55,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:18:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:55,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:55,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:18:55,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:55,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:18:55,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:55,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:55,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:18:55,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:55,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:18:55,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:55,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 00:18:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:55,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:55,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:18:55,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 00:18:55,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-15 00:18:55,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:55,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:55,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:18:55,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 00:18:55,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 00:18:55,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:55,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:18:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:55,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:55,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:55,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:18:55,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:18:55,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:18:55,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:55,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:55,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:18:55,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:18:55,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:18:55,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:56,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:18:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:56,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:56,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:18:56,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:18:56,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-15 00:18:56,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:56,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:18:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:18:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 00:18:56,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:56,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:18:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:56,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:18:56,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:56,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:18:56,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:56,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:18:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:56,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:18:56,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:56,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 00:18:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:56,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:56,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:18:56,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:56,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:18:56,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:56,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 00:18:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:56,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:56,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:18:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:56,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:56,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:18:56,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:56,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:18:56,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:56,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:56,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:56,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:56,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:56,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:56,549 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-15 00:18:56,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 00:18:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:56,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:56,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:18:56,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:56,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 00:18:56,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:56,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 00:18:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:56,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:56,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:18:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:56,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:56,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:18:56,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:56,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:18:56,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:56,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:18:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:56,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:56,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 00:18:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:56,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:56,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:18:56,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:18:56,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:18:56,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:56,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:18:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:18:56,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 00:18:56,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:56,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 00:18:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:56,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:56,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:18:56,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:18:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:18:56,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:56,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 00:18:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:56,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-15 00:18:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:18:56,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:18:56,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:18:56,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:18:56,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:18:56,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:18:56,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:18:56,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:18:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:18:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:18:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:18:56,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:18:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-15 00:18:56,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1154107942] [2020-10-15 00:18:56,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 00:18:56,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-15 00:18:56,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056461702] [2020-10-15 00:18:56,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-15 00:18:56,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:18:56,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-15 00:18:56,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2020-10-15 00:18:56,792 INFO L87 Difference]: Start difference. First operand 943 states. Second operand 20 states. [2020-10-15 00:18:58,665 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 00:18:59,141 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 00:18:59,775 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 00:19:01,309 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:19:02,453 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-15 00:19:03,794 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:19:06,950 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 00:19:07,421 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 00:19:07,830 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-15 00:19:09,382 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:19:10,369 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:19:11,506 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-15 00:19:26,913 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:19:28,011 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-15 00:19:29,257 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:19:30,297 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-15 00:19:45,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:19:45,131 INFO L93 Difference]: Finished difference Result 1905 states and 3165 transitions. [2020-10-15 00:19:45,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 00:19:45,135 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 146 [2020-10-15 00:19:45,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:19:45,170 INFO L225 Difference]: With dead ends: 1905 [2020-10-15 00:19:45,170 INFO L226 Difference]: Without dead ends: 1121 [2020-10-15 00:19:45,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=398, Invalid=1494, Unknown=0, NotChecked=0, Total=1892 [2020-10-15 00:19:45,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2020-10-15 00:19:45,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 856. [2020-10-15 00:19:45,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-15 00:19:45,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1336 transitions. [2020-10-15 00:19:45,546 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1336 transitions. Word has length 146 [2020-10-15 00:19:45,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:19:45,547 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1336 transitions. [2020-10-15 00:19:45,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-15 00:19:45,547 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1336 transitions. [2020-10-15 00:19:45,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 00:19:45,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:19:45,553 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:19:45,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 00:19:45,554 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:19:45,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:19:45,554 INFO L82 PathProgramCache]: Analyzing trace with hash -687248080, now seen corresponding path program 1 times [2020-10-15 00:19:45,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:19:45,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506733973] [2020-10-15 00:19:45,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:19:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:45,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:45,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:46,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:46,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:46,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:50,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:50,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-15 00:19:50,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 00:19:50,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-15 00:19:50,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:50,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:19:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-15 00:19:50,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:19:50,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:51,761 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-15 00:19:51,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:19:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:51,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:51,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:51,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:19:51,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:51,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 00:19:51,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:51,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:51,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:51,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:51,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:51,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:51,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:19:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:51,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:51,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:51,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:19:51,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:51,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:19:51,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:51,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:51,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:51,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:51,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:51,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:51,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:19:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:51,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:51,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:51,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-15 00:19:51,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:51,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:19:51,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:51,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:51,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:51,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:51,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:19:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:51,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:51,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:51,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:19:51,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:19:51,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:51,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:51,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:51,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:51,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:51,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:51,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 00:19:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:51,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:51,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:51,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:19:51,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:51,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:19:51,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:51,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:51,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:51,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:51,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:51,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:19:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:51,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:51,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:51,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:19:51,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:51,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:19:51,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:51,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:51,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:51,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:51,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:51,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:51,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 00:19:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:51,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:51,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:51,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:19:51,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:51,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:19:51,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:51,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:51,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:51,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 00:19:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:51,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:51,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:51,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:19:51,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:51,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:19:51,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:51,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 00:19:51,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 00:19:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:51,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:51,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:51,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:19:51,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:51,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:19:51,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:51,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:51,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 00:19:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:51,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:51,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:51,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:19:51,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:51,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:19:51,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:51,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:51,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:51,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:51,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:51,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:19:52,103 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 00:19:52,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-15 00:19:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:52,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:52,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:52,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:52,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:52,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 00:19:52,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:19:52,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-15 00:19:52,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:52,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:52,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:19:52,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 00:19:52,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:19:52,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:19:52,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:19:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:52,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:52,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:52,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:19:52,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:52,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 00:19:52,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:52,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:52,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:19:52,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:52,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:19:52,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:19:52,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 00:19:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:52,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:52,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:52,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:52,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 00:19:52,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:19:52,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-15 00:19:52,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:52,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:19:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:19:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 00:19:52,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:19:52,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 00:19:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:52,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:52,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:52,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:19:52,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:52,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:19:52,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:52,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:52,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:19:52,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:52,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:19:52,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:19:52,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 00:19:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:52,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:52,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:52,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:52,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:53,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 00:19:53,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 00:19:53,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 609 [2020-10-15 00:19:53,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:53,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:53,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:19:53,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 00:19:53,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:19:53,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:19:53,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:19:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:53,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:53,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:19:53,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:19:53,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 00:19:53,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:53,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:53,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:19:53,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:19:53,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:19:53,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:53,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 00:19:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:53,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:53,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 00:19:53,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:19:53,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-15 00:19:53,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:53,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:53,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:19:53,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:19:53,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 00:19:53,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:19:53,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 00:19:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:53,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:53,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:19:53,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:53,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:19:53,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:53,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:53,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:19:53,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:53,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:19:53,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:53,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 00:19:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:53,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:53,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:19:53,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:19:53,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:53,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:53,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:53,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 00:19:53,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:53,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:53,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:19:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:53,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:53,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:19:53,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:53,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:19:53,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:53,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:53,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:53,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:53,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:53,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:19:53,924 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-15 00:19:53,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 00:19:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:53,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:53,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:19:53,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:53,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 00:19:53,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:53,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 00:19:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:53,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:19:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:53,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:53,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:19:53,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:53,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:19:53,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:53,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:19:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:53,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:19:53,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-15 00:19:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:53,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:53,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:53,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:19:53,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:19:53,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:19:53,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:53,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:53,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:19:53,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:19:53,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 00:19:53,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:54,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 00:19:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:54,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:54,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:54,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:54,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:19:54,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:19:54,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:19:54,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:54,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:19:54,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:19:54,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 00:19:54,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:54,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-15 00:19:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:19:54,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:19:54,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:19:54,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:19:54,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:19:54,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:19:54,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:19:54,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:19:54,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:19:54,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:19:54,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:19:54,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:19:54,126 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-15 00:19:54,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506733973] [2020-10-15 00:19:54,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 00:19:54,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-15 00:19:54,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48668312] [2020-10-15 00:19:54,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-15 00:19:54,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:19:54,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-15 00:19:54,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2020-10-15 00:19:54,130 INFO L87 Difference]: Start difference. First operand 856 states and 1336 transitions. Second operand 23 states. [2020-10-15 00:19:55,501 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 00:19:55,901 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 00:19:56,465 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 00:19:57,890 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:19:58,954 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-15 00:20:00,002 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2020-10-15 00:20:01,205 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-15 00:20:02,321 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-15 00:20:03,371 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:20:04,453 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-15 00:20:05,589 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-15 00:20:08,619 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:20:09,886 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-15 00:20:11,010 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-15 00:20:12,963 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 00:20:13,488 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 00:20:13,915 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-15 00:20:15,528 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-15 00:20:16,657 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-15 00:20:17,748 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-15 00:20:18,921 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-15 00:20:20,125 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-15 00:20:52,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:20:52,317 INFO L93 Difference]: Finished difference Result 2005 states and 3312 transitions. [2020-10-15 00:20:52,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-15 00:20:52,318 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 150 [2020-10-15 00:20:52,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:20:52,334 INFO L225 Difference]: With dead ends: 2005 [2020-10-15 00:20:52,334 INFO L226 Difference]: Without dead ends: 1190 [2020-10-15 00:20:52,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=643, Invalid=2779, Unknown=0, NotChecked=0, Total=3422 [2020-10-15 00:20:52,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2020-10-15 00:20:52,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 893. [2020-10-15 00:20:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-10-15 00:20:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1399 transitions. [2020-10-15 00:20:52,668 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1399 transitions. Word has length 150 [2020-10-15 00:20:52,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:20:52,668 INFO L479 AbstractCegarLoop]: Abstraction has 893 states and 1399 transitions. [2020-10-15 00:20:52,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-15 00:20:52,669 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1399 transitions. [2020-10-15 00:20:52,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-15 00:20:52,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:20:52,673 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:20:52,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 00:20:52,673 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:20:52,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:20:52,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1161438185, now seen corresponding path program 1 times [2020-10-15 00:20:52,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:20:52,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940876424] [2020-10-15 00:20:52,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:20:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:52,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:52,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:53,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:53,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:53,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:55,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:57,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:57,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 00:20:57,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 00:20:57,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-15 00:20:57,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:57,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:57,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:20:57,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-15 00:20:57,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:20:57,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:20:58,845 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-15 00:20:58,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:20:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:58,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:58,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:58,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:20:58,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:20:58,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 00:20:58,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:58,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:58,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:20:58,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:58,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:20:58,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:20:58,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:20:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:58,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:58,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:58,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:20:58,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:20:58,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:20:58,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:58,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:20:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:20:58,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:20:58,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:20:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:58,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:58,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:58,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-15 00:20:58,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:20:58,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 00:20:58,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:58,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:58,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:20:58,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:58,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:20:58,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:20:58,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:20:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:58,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:58,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:58,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:20:58,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:20:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:20:58,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:58,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:20:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:20:58,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:20:58,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 00:20:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:58,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:58,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:58,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:20:58,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:20:58,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:20:58,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:58,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:20:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:20:58,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:20:58,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:20:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:58,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:58,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:58,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:20:58,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:20:58,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:20:58,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:58,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:20:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:58,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:20:58,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:20:58,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 00:20:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:58,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:58,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:59,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:20:59,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:20:59,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:20:59,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:59,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:20:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:20:59,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:20:59,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 00:20:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:59,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:59,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:20:59,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:20:59,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:20:59,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:59,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:20:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:20:59,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:20:59,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 00:20:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:59,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:59,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:20:59,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:20:59,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:20:59,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:59,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:20:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:20:59,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:20:59,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 00:20:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:59,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:59,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:20:59,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:20:59,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:20:59,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:59,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:59,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:20:59,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:20:59,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:20:59,232 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 00:20:59,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-15 00:20:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:59,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:59,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-15 00:20:59,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 00:20:59,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 457 [2020-10-15 00:20:59,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:59,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:20:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 00:20:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:20:59,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:20:59,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:20:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:59,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:59,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:20:59,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:20:59,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 00:20:59,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:59,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:20:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:20:59,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:20:59,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:20:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:59,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:59,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 00:20:59,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:20:59,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-15 00:20:59,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:59,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:20:59,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:20:59,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 00:20:59,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:20:59,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 00:20:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:59,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:20:59,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:20:59,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:20:59,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:20:59,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:20:59,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:20:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:20:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:20:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:20:59,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:20:59,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 00:20:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:20:59,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:20:59,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:00,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 00:21:00,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:21:00,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-15 00:21:00,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:00,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:00,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:21:00,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 00:21:00,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 00:21:00,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:00,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:21:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:00,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:00,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:21:00,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:00,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:21:00,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:00,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:00,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:21:00,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:00,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:21:00,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:00,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:21:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:00,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:00,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 00:21:00,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:21:00,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 00:21:00,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:00,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:21:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:21:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:21:00,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:00,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 00:21:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:00,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:00,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:21:00,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:00,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:21:00,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:00,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:21:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:21:00,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:00,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 00:21:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:00,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:00,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:21:00,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:00,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:21:00,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:00,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 00:21:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:00,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:21:00,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:21:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:00,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:00,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:00,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:00,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:21:00,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:00,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:00,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:21:00,687 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-15 00:21:00,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-15 00:21:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:00,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:00,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:21:00,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:00,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 00:21:00,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:00,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:00,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 00:21:00,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:00,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:00,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:21:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:00,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:00,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:00,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:21:00,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:00,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 00:21:00,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 00:21:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:00,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:00,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 00:21:00,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:00,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:21:00,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:00,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 00:21:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:00,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:00,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-15 00:21:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:00,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:00,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 00:21:00,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:21:00,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:00,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 00:21:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:00,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-15 00:21:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:00,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:00,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:00,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:00,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:21:00,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:00,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:21:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:00,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-10-15 00:21:00,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940876424] [2020-10-15 00:21:00,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:21:00,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 00:21:00,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379849455] [2020-10-15 00:21:00,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 00:21:00,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:21:00,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 00:21:00,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-10-15 00:21:00,805 INFO L87 Difference]: Start difference. First operand 893 states and 1399 transitions. Second operand 18 states. [2020-10-15 00:21:02,219 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 00:21:02,575 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 00:21:03,086 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 00:21:04,436 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:21:05,575 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:21:06,592 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:21:07,615 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:21:08,613 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-15 00:21:11,010 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:21:12,003 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-15 00:21:12,664 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 00:21:13,101 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 00:21:13,439 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-15 00:21:36,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:21:36,323 INFO L93 Difference]: Finished difference Result 2002 states and 3274 transitions. [2020-10-15 00:21:36,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-15 00:21:36,325 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 156 [2020-10-15 00:21:36,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:21:36,335 INFO L225 Difference]: With dead ends: 2002 [2020-10-15 00:21:36,335 INFO L226 Difference]: Without dead ends: 1204 [2020-10-15 00:21:36,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=377, Invalid=1429, Unknown=0, NotChecked=0, Total=1806 [2020-10-15 00:21:36,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2020-10-15 00:21:36,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 900. [2020-10-15 00:21:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2020-10-15 00:21:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1408 transitions. [2020-10-15 00:21:36,550 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1408 transitions. Word has length 156 [2020-10-15 00:21:36,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:21:36,550 INFO L479 AbstractCegarLoop]: Abstraction has 900 states and 1408 transitions. [2020-10-15 00:21:36,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 00:21:36,550 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1408 transitions. [2020-10-15 00:21:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-15 00:21:36,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:21:36,555 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:21:36,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 00:21:36,555 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:21:36,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:21:36,556 INFO L82 PathProgramCache]: Analyzing trace with hash -634560455, now seen corresponding path program 1 times [2020-10-15 00:21:36,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:21:36,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585659243] [2020-10-15 00:21:36,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:21:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:36,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:36,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:36,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:36,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:37,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:37,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:38,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:39,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:39,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:41,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:41,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-15 00:21:41,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 00:21:41,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 00:21:41,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:41,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:21:41,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-15 00:21:41,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:21:41,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:42,616 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-15 00:21:42,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:21:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:42,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:42,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:42,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:42,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 00:21:42,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:42,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:42,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:42,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:21:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:42,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:42,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:42,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:42,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:21:42,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:42,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:42,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:42,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:42,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:42,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:42,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:21:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:42,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:42,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-15 00:21:42,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:42,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:21:42,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:42,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:42,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:42,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:21:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:42,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:42,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:42,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:21:42,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:42,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:42,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 00:21:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:42,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:42,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:42,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:42,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:21:42,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:42,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:42,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:42,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:42,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:21:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:42,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:42,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:42,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:42,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:21:42,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:42,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:42,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:42,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:42,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:42,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:42,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 00:21:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:42,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:42,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:42,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:42,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:21:42,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:42,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:42,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:42,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 00:21:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:42,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:42,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:42,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:42,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:21:42,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:42,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:42,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:42,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:42,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:42,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:42,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 00:21:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:42,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:42,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:21:42,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:21:42,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:42,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:42,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:42,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 00:21:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:42,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:42,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:21:42,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:42,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:21:42,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:42,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:42,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-15 00:21:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:42,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:42,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:43,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 00:21:43,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 00:21:43,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-15 00:21:43,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:43,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:21:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 00:21:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:21:43,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:43,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:21:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:43,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:43,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 00:21:43,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:21:43,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 00:21:43,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:43,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:21:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:21:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 00:21:43,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:21:43,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:21:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:43,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:43,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 00:21:43,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:21:43,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 00:21:43,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:43,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:43,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:21:43,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:21:43,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 00:21:43,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:43,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 00:21:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:43,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:43,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:21:43,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:43,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:21:43,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:43,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:43,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:21:43,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:43,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:21:43,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:43,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-15 00:21:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:43,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:43,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 00:21:43,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 00:21:43,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-15 00:21:43,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:43,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:43,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:21:43,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 00:21:43,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 00:21:43,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:21:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:43,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:43,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 00:21:43,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:21:43,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 00:21:43,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:43,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:21:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 00:21:43,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:43,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:21:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:43,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:43,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 00:21:43,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:21:43,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 00:21:43,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:43,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:43,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:21:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:21:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:21:43,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:43,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 00:21:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:43,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:43,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:21:43,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:43,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:21:43,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:43,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:21:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:21:43,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:43,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 00:21:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:43,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:43,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:21:43,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:43,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:21:43,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:43,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 00:21:43,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:43,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:43,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:21:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:43,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:43,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:43,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:43,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:43,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:21:43,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:43,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:43,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:43,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:43,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:43,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:44,061 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-15 00:21:44,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-15 00:21:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:44,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:44,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:44,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:21:44,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:44,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:21:44,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:44,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:44,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:44,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 00:21:44,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:44,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:44,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:21:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:44,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:44,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:44,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:44,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:44,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:21:44,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:44,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:21:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:44,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 00:21:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:44,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:44,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:44,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 00:21:44,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:44,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:21:44,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:44,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:44,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:44,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 00:21:44,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:44,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:44,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-15 00:21:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:44,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:44,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:44,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 00:21:44,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:44,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:21:44,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:44,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 00:21:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:44,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:44,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-15 00:21:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:21:44,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:21:44,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:21:44,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:21:44,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:21:44,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:21:44,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:21:44,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:21:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:21:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:21:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:21:44,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:21:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-15 00:21:44,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585659243] [2020-10-15 00:21:44,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 00:21:44,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-15 00:21:44,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456670016] [2020-10-15 00:21:44,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 00:21:44,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:21:44,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 00:21:44,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-10-15 00:21:44,161 INFO L87 Difference]: Start difference. First operand 900 states and 1408 transitions. Second operand 18 states. [2020-10-15 00:21:45,522 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 00:21:45,873 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 00:21:46,379 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 00:21:47,705 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:21:48,735 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2020-10-15 00:21:49,860 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-15 00:21:50,897 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:21:51,933 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:21:53,034 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:21:54,041 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-15 00:21:56,528 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:21:57,536 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-15 00:21:58,330 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 00:21:58,778 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 00:21:59,140 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-15 00:22:23,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:22:23,476 INFO L93 Difference]: Finished difference Result 2057 states and 3374 transitions. [2020-10-15 00:22:23,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-15 00:22:23,477 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 158 [2020-10-15 00:22:23,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:22:23,491 INFO L225 Difference]: With dead ends: 2057 [2020-10-15 00:22:23,491 INFO L226 Difference]: Without dead ends: 1208 [2020-10-15 00:22:23,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=412, Invalid=1568, Unknown=0, NotChecked=0, Total=1980 [2020-10-15 00:22:23,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2020-10-15 00:22:23,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 900. [2020-10-15 00:22:23,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2020-10-15 00:22:23,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1405 transitions. [2020-10-15 00:22:23,699 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1405 transitions. Word has length 158 [2020-10-15 00:22:23,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:22:23,699 INFO L479 AbstractCegarLoop]: Abstraction has 900 states and 1405 transitions. [2020-10-15 00:22:23,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 00:22:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1405 transitions. [2020-10-15 00:22:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-15 00:22:23,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:22:23,703 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:22:23,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 00:22:23,704 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:22:23,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:22:23,704 INFO L82 PathProgramCache]: Analyzing trace with hash -2139721375, now seen corresponding path program 1 times [2020-10-15 00:22:23,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:22:23,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [381622166] [2020-10-15 00:22:23,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:22:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:23,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:23,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:23,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:24,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:24,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:24,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:28,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:28,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-15 00:22:28,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 00:22:28,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-15 00:22:28,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:28,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 00:22:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:22:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-15 00:22:28,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:29,819 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-15 00:22:29,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:22:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:29,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:29,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:29,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:22:29,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:29,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-15 00:22:29,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:29,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:29,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:22:29,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:29,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:22:29,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:29,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:22:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:29,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:29,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:29,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:22:29,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:29,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:22:29,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:29,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:22:29,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:29,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:22:29,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:29,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:22:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:29,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:29,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:29,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-15 00:22:29,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:29,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 00:22:29,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:29,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:29,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:22:29,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:29,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 00:22:29,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:29,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:22:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:29,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:29,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:29,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:22:29,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:22:29,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:29,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:22:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:22:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:29,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 00:22:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:29,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:29,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:29,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:22:29,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:29,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:22:29,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:29,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:29,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:22:29,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:29,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:22:29,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:29,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:22:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:29,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:29,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:29,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:22:29,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:29,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:22:29,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:29,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:22:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:22:29,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:29,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 00:22:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:29,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:29,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:29,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:22:29,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:29,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:22:29,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:29,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:22:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:22:29,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:29,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 00:22:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:29,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:29,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:29,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:22:29,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:29,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:22:29,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:29,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:22:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:22:29,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:29,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 00:22:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:29,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:29,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:29,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:22:29,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:29,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:22:29,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:29,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:22:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 00:22:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:29,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 00:22:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:29,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:29,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:29,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:22:29,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:22:29,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:29,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:22:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 00:22:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:30,116 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 00:22:30,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-15 00:22:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:30,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:30,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 00:22:30,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:22:30,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-15 00:22:30,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:30,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:22:30,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:30,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 00:22:30,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:30,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:22:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:30,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:30,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 00:22:30,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:22:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:22:30,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:30,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:22:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:22:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 00:22:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:30,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 00:22:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:30,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:30,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 00:22:30,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:30,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:22:30,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:30,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:30,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:22:30,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:30,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:22:30,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:22:30,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 00:22:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:30,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:30,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:22:30,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:30,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:22:30,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:30,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:30,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:22:30,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:30,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:22:30,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:30,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-15 00:22:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:30,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:30,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 00:22:30,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:22:30,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-15 00:22:30,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:30,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:22:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 00:22:30,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:22:30,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:22:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:30,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:30,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 00:22:30,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:22:30,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:22:30,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:30,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:22:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:22:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 00:22:30,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:22:30,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 00:22:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:30,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:30,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 00:22:30,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:30,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:22:30,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:30,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:22:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:30,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:22:30,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:22:30,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 00:22:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:30,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:30,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:22:30,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:30,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:22:30,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:30,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:22:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:30,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:22:30,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:22:30,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 00:22:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:30,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:30,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:22:30,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:30,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:22:30,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:30,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:22:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:22:30,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:22:30,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:22:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:22:30,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:22:30,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:22:30,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:22:30,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:22:30,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:22:30,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:22:30,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:22:30,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:22:30,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:22:30,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:22:30,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1