/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=BIGGEST --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_spec3_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:47:17,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:47:17,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:47:17,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:47:17,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:47:17,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:47:17,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:47:17,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:47:17,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:47:17,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:47:17,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:47:17,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:47:17,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:47:17,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:47:17,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:47:17,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:47:17,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:47:17,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:47:17,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:47:17,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:47:17,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:47:17,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:47:17,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:47:17,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:47:17,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:47:17,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:47:17,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:47:17,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:47:17,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:47:17,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:47:17,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:47:17,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:47:17,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:47:17,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:47:17,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:47:17,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:47:17,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:47:17,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:47:17,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:47:17,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:47:17,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:47:17,549 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 [2020-10-12 16:47:17,597 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:47:17,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:47:17,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:47:17,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:47:17,599 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:47:17,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:47:17,600 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:47:17,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:47:17,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:47:17,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:47:17,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:47:17,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:47:17,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:47:17,601 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:47:17,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:47:17,601 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:47:17,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:47:17,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:47:17,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:47:17,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:47:17,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:47:17,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:47:17,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:47:17,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:47:17,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:47:17,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:47:17,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:47:17,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:47:17,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:47:17,609 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:47:17,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:47:17,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:47:17,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:47:17,937 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:47:17,937 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:47:17,938 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product03.cil.c [2020-10-12 16:47:18,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ebf62b05f/748fa01896a0440284b0e2125cdbde68/FLAGa48f8adce [2020-10-12 16:47:18,618 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:47:18,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product03.cil.c [2020-10-12 16:47:18,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ebf62b05f/748fa01896a0440284b0e2125cdbde68/FLAGa48f8adce [2020-10-12 16:47:18,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ebf62b05f/748fa01896a0440284b0e2125cdbde68 [2020-10-12 16:47:18,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:47:18,801 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:47:18,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:47:18,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:47:18,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:47:18,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:47:18" (1/1) ... [2020-10-12 16:47:18,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20abf48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:47:18, skipping insertion in model container [2020-10-12 16:47:18,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:47:18" (1/1) ... [2020-10-12 16:47:18,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:47:18,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:47:19,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:47:19,660 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:47:19,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:47:19,895 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:47:19,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:47:19 WrapperNode [2020-10-12 16:47:19,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:47:19,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:47:19,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:47:19,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:47:19,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:47:19" (1/1) ... [2020-10-12 16:47:19,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:47:19" (1/1) ... [2020-10-12 16:47:19,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:47:19" (1/1) ... [2020-10-12 16:47:19,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:47:19" (1/1) ... [2020-10-12 16:47:20,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:47:19" (1/1) ... [2020-10-12 16:47:20,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:47:19" (1/1) ... [2020-10-12 16:47:20,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:47:19" (1/1) ... [2020-10-12 16:47:20,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:47:20,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:47:20,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:47:20,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:47:20,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:47:19" (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 [2020-10-12 16:47:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:47:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:47:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:47:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:47:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:47:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:47:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:47:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:47:20,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:47:20,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:47:20,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:47:20,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:47:20,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:47:20,219 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:47:20,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:47:20,220 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:47:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:47:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:47:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:47:20,222 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:47:20,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:47:20,222 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:47:20,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:47:20,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:47:20,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:47:20,225 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:47:20,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:47:20,225 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:47:20,225 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:47:20,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:47:20,226 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:47:20,226 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:47:20,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:47:20,227 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:47:20,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:47:20,228 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:47:20,228 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:47:20,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:47:20,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:47:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:47:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:47:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__base [2020-10-12 16:47:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:47:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:47:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:47:20,231 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2020-10-12 16:47:20,232 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:47:20,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:47:20,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:47:20,232 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:47:20,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:47:20,233 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:47:20,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:47:20,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:47:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:47:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:47:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:47:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:47:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:47:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:47:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:47:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:47:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:47:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:47:20,236 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:47:20,236 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:47:20,236 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:47:20,236 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:47:20,236 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:47:20,237 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:47:20,237 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:47:20,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:47:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:47:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:47:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:47:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:47:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:47:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:47:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:47:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:47:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:47:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:47:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:47:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:47:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:47:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:47:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:47:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:47:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:47:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:47:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:47:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:47:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:47:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:47:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:47:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:47:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:47:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:47:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:47:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:47:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:47:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:47:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:47:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:47:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:47:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:47:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:47:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:47:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:47:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:47:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:47:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:47:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:47:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:47:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:47:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:47:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:47:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:47:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:47:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:47:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:47:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:47:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:47:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:47:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:47:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:47:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:47:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:47:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:47:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:47:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:47:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:47:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:47:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:47:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:47:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:47:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__base [2020-10-12 16:47:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:47:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:47:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2020-10-12 16:47:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:47:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:47:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:47:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:47:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:47:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:47:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:47:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:47:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:47:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:47:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:47:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:47:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:47:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:47:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:47:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:47:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:47:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:47:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:47:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:47:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:47:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:47:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:47:22,655 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:47:22,655 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:47:22,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:47:22 BoogieIcfgContainer [2020-10-12 16:47:22,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:47:22,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:47:22,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:47:22,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:47:22,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:47:18" (1/3) ... [2020-10-12 16:47:22,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b69420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:47:22, skipping insertion in model container [2020-10-12 16:47:22,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:47:19" (2/3) ... [2020-10-12 16:47:22,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b69420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:47:22, skipping insertion in model container [2020-10-12 16:47:22,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:47:22" (3/3) ... [2020-10-12 16:47:22,673 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product03.cil.c [2020-10-12 16:47:22,683 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:47:22,691 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:47:22,705 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:47:22,731 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:47:22,732 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:47:22,732 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:47:22,732 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:47:22,732 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:47:22,732 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:47:22,732 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:47:22,733 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:47:22,767 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states. [2020-10-12 16:47:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-12 16:47:22,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:47:22,793 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:47:22,793 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:47:22,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:47:22,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1710974497, now seen corresponding path program 1 times [2020-10-12 16:47:22,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:47:22,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115275] [2020-10-12 16:47:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:47:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:23,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:23,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:23,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:24,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:26,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:28,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:28,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:28,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 16:47:28,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:47:28,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5094 [2020-10-12 16:47:28,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:47:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:47:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-12 16:47:28,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:47:29,753 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 373 [2020-10-12 16:47:29,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:47:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:29,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:29,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:29,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:29,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-12 16:47:29,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:47:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:47:29,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:29,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:47:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:29,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:29,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:29,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:47:29,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:29,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:47:29,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:29,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:47:29,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:29,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:47:29,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:29,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:47:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:29,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:29,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:29,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:47:29,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:29,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:47:29,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:47:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:47:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:29,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:47:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:29,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:29,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:29,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:29,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:29,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:47:29,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:29,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:47:29,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:29,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:47:29,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:29,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:47:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:29,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:29,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:29,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:47:29,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:29,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:47:29,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:29,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:47:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:47:29,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:47:30,186 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:47:30,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:47:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:30,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:30,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:30,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:47:30,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:30,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 16:47:30,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:30,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:47:30,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:47:30,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:30,436 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:47:30,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:30,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:30,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:30,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:30,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:30,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:47:30,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:30,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:47:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:47:30,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:30,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:47:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:30,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:30,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:30,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:30,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:30,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:47:30,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:47:30,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-12 16:47:30,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:30,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:47:30,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:47:30,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:47:30,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:47:31,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:47:31,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:47:31,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:31,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:47:31,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:47:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:47:31,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:47:31,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 16:47:31,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:47:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:47:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:47:31,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:47:31,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:47:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:47:31,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 16:47:31,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:47:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:31,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:47:31,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:47:31,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:47:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:47:31,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:47:31,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:47:31,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:31,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:47:31,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:31,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:47:31,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:31,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:31,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:31,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:47:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:31,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:47:31,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:31,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:31,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:31,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:47:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:47:31,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 16:47:31,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:47:31,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 16:47:31,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:47:31,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:47:31,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:47:31,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:31,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:31,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:31,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:47:31,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:47:31,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:31,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:47:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:31,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:47:31,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:47:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:31,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:47:31,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:47:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:47:31,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:47:31,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:31,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 16:47:31,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:31,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:47:31,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:47:31,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:31,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:31,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:31,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:47:31,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:47:31,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:31,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:31,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:31,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:47:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:31,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:47:31,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:31,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:31,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:31,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:31,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:47:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:47:31,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:47:31,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:47:31,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:47:31,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 16:47:31,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:47:31,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:47:31,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:47:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:31,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:31,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:31,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:31,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:47:31,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:47:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:47:31,737 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-12 16:47:31,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115275] [2020-10-12 16:47:31,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:47:31,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 16:47:31,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437281700] [2020-10-12 16:47:31,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 16:47:31,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:47:31,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 16:47:31,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:47:31,765 INFO L87 Difference]: Start difference. First operand 769 states. Second operand 23 states. [2020-10-12 16:47:33,813 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:47:34,576 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-10-12 16:47:36,310 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 377 DAG size of output: 376 [2020-10-12 16:47:38,265 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 379 DAG size of output: 378 [2020-10-12 16:47:40,067 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 379 DAG size of output: 378 [2020-10-12 16:47:41,814 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 379 DAG size of output: 378 [2020-10-12 16:47:43,686 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 380 DAG size of output: 379 [2020-10-12 16:47:45,463 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 382 DAG size of output: 381 [2020-10-12 16:47:47,326 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 380 DAG size of output: 379 [2020-10-12 16:47:49,190 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 382 DAG size of output: 381 [2020-10-12 16:47:51,123 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 380 DAG size of output: 379 [2020-10-12 16:47:52,895 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 149 [2020-10-12 16:47:54,598 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 379 DAG size of output: 378 [2020-10-12 16:47:57,751 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 379 DAG size of output: 378 [2020-10-12 16:47:59,479 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 379 DAG size of output: 378 [2020-10-12 16:48:01,378 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-10-12 16:48:01,875 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-10-12 16:48:07,338 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2020-10-12 16:48:09,083 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 379 DAG size of output: 378 [2020-10-12 16:48:09,277 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:48:09,444 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:48:09,758 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:48:09,924 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:48:10,828 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:48:11,838 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 16:48:12,069 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-12 16:48:12,963 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:48:13,859 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:48:18,445 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:48:19,337 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:48:20,236 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 16:48:20,650 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:48:24,076 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:48:24,970 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:48:25,818 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 16:48:26,188 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 16:48:35,405 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:48:35,562 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:48:35,966 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:48:36,124 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 16:48:37,113 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:48:37,982 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:48:38,706 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 16:48:38,922 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 16:48:39,830 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:48:40,713 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:48:48,380 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:48:49,278 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:48:50,997 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 381 DAG size of output: 380 [2020-10-12 16:48:51,810 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 151 [2020-10-12 16:48:52,854 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2020-10-12 16:48:53,338 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2020-10-12 16:48:56,596 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:48:57,473 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:48:58,520 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 16:48:58,737 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:48:59,976 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:49:00,202 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:49:06,849 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 381 DAG size of output: 380 [2020-10-12 16:49:19,159 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:49:20,110 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:49:21,031 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:49:22,013 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:49:22,944 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:49:23,932 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:49:24,985 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:49:26,072 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:49:28,257 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:49:29,164 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:49:30,034 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:49:30,954 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-12 16:49:31,833 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:49:32,741 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-12 16:49:33,664 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:49:34,616 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-12 16:49:36,886 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:49:37,850 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:49:38,748 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:49:39,757 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:49:40,687 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:49:41,658 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:49:42,662 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:49:43,711 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:49:45,886 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:49:46,857 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:49:47,778 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:49:48,764 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:49:49,716 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:49:50,731 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:49:51,763 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:49:52,828 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:50:08,040 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-10-12 16:50:22,519 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 381 DAG size of output: 380 [2020-10-12 16:50:24,792 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 381 DAG size of output: 380 [2020-10-12 16:50:26,618 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 381 DAG size of output: 380 [2020-10-12 16:50:28,452 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 382 DAG size of output: 381 [2020-10-12 16:50:30,327 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 384 DAG size of output: 383 [2020-10-12 16:50:32,192 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 382 DAG size of output: 381 [2020-10-12 16:50:34,092 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 384 DAG size of output: 383 [2020-10-12 16:50:36,005 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 382 DAG size of output: 381 [2020-10-12 16:50:57,187 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-10-12 16:51:00,167 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 381 DAG size of output: 380 [2020-10-12 16:51:17,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:51:17,016 INFO L93 Difference]: Finished difference Result 5833 states and 10861 transitions. [2020-10-12 16:51:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2020-10-12 16:51:17,018 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 141 [2020-10-12 16:51:17,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:51:17,102 INFO L225 Difference]: With dead ends: 5833 [2020-10-12 16:51:17,102 INFO L226 Difference]: Without dead ends: 5103 [2020-10-12 16:51:17,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18040 ImplicationChecksByTransitivity, 96.2s TimeCoverageRelationStatistics Valid=5385, Invalid=38087, Unknown=0, NotChecked=0, Total=43472 [2020-10-12 16:51:17,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5103 states. [2020-10-12 16:51:18,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5103 to 3349. [2020-10-12 16:51:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3349 states. [2020-10-12 16:51:18,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 3349 states and 5443 transitions. [2020-10-12 16:51:18,127 INFO L78 Accepts]: Start accepts. Automaton has 3349 states and 5443 transitions. Word has length 141 [2020-10-12 16:51:18,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:51:18,128 INFO L479 AbstractCegarLoop]: Abstraction has 3349 states and 5443 transitions. [2020-10-12 16:51:18,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 16:51:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 3349 states and 5443 transitions. [2020-10-12 16:51:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 16:51:18,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:51:18,149 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:51:18,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:51:18,149 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:51:18,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:51:18,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1481177271, now seen corresponding path program 1 times [2020-10-12 16:51:18,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:51:18,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846601338] [2020-10-12 16:51:18,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:51:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:18,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:18,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:19,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:19,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:19,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking...