/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_spec2_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:46:38,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:46:38,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:46:38,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:46:38,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:46:38,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:46:38,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:46:38,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:46:38,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:46:38,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:46:38,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:46:38,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:46:38,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:46:38,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:46:38,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:46:38,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:46:38,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:46:38,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:46:38,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:46:38,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:46:38,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:46:38,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:46:38,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:46:38,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:46:38,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:46:38,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:46:38,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:46:38,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:46:38,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:46:38,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:46:38,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:46:38,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:46:38,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:46:38,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:46:38,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:46:38,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:46:38,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:46:38,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:46:38,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:46:38,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:46:38,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:46:38,228 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 16:46:38,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:46:38,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:46:38,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:46:38,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:46:38,276 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:46:38,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:46:38,277 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:46:38,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:46:38,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:46:38,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:46:38,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:46:38,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:46:38,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:46:38,278 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:46:38,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:46:38,279 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:46:38,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:46:38,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:46:38,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:46:38,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:46:38,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:46:38,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:46:38,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:46:38,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:46:38,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:46:38,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:46:38,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:46:38,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:46:38,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:46:38,287 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 16:46:38,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:46:38,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:46:38,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:46:38,617 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:46:38,617 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:46:38,618 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product27.cil.c [2020-10-12 16:46:38,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f28f39a1/78e0e2b402bc43d395416321ca02c426/FLAG5d99e5e15 [2020-10-12 16:46:39,300 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:46:39,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product27.cil.c [2020-10-12 16:46:39,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f28f39a1/78e0e2b402bc43d395416321ca02c426/FLAG5d99e5e15 [2020-10-12 16:46:39,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f28f39a1/78e0e2b402bc43d395416321ca02c426 [2020-10-12 16:46:39,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:46:39,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:46:39,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:46:39,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:46:39,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:46:39,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:46:39" (1/1) ... [2020-10-12 16:46:39,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785c3444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:46:39, skipping insertion in model container [2020-10-12 16:46:39,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:46:39" (1/1) ... [2020-10-12 16:46:39,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:46:39,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:46:40,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:46:40,250 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:46:40,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:46:40,484 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:46:40,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:46:40 WrapperNode [2020-10-12 16:46:40,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:46:40,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:46:40,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:46:40,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:46:40,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:46:40" (1/1) ... [2020-10-12 16:46:40,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:46:40" (1/1) ... [2020-10-12 16:46:40,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:46:40" (1/1) ... [2020-10-12 16:46:40,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:46:40" (1/1) ... [2020-10-12 16:46:40,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:46:40" (1/1) ... [2020-10-12 16:46:40,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:46:40" (1/1) ... [2020-10-12 16:46:40,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:46:40" (1/1) ... [2020-10-12 16:46:40,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:46:40,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:46:40,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:46:40,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:46:40,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:46:40" (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 16:46:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:46:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:46:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:46:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:46:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:46:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:46:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:46:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:46:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:46:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-12 16:46:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-12 16:46:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-12 16:46:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-12 16:46:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:46:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:46:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:46:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:46:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:46:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:46:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:46:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:46:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:46:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:46:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-12 16:46:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:46:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:46:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:46:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:46:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:46:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:46:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:46:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:46:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:46:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:46:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:46:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:46:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:46:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:46:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:46:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:46:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:46:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:46:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:46:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:46:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:46:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:46:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:46:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:46:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:46:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:46:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:46:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:46:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:46:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:46:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:46:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:46:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:46:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:46:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:46:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:46:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:46:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:46:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:46:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:46:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:46:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:46:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:46:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:46:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:46:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:46:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:46:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:46:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:46:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:46:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:46:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:46:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:46:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:46:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:46:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:46:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:46:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:46:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:46:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:46:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:46:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:46:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:46:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-12 16:46:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-12 16:46:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-12 16:46:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-12 16:46:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:46:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:46:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:46:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:46:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:46:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:46:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:46:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:46:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:46:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:46:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:46:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:46:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:46:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:46:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:46:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:46:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:46:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:46:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:46:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:46:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:46:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:46:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:46:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:46:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:46:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:46:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:46:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:46:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:46:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:46:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-12 16:46:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:46:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:46:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:46:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:46:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:46:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:46:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:46:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:46:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:46:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:46:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:46:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:46:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:46:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:46:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:46:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:46:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:46:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:46:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:46:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:46:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:46:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:46:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:46:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:46:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:46:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:46:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:46:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:46:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:46:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:46:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:46:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:46:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:46:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:46:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:46:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:46:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:46:42,821 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:46:42,821 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:46:42,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:46:42 BoogieIcfgContainer [2020-10-12 16:46:42,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:46:42,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:46:42,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:46:42,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:46:42,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:46:39" (1/3) ... [2020-10-12 16:46:42,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3203ab13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:46:42, skipping insertion in model container [2020-10-12 16:46:42,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:46:40" (2/3) ... [2020-10-12 16:46:42,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3203ab13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:46:42, skipping insertion in model container [2020-10-12 16:46:42,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:46:42" (3/3) ... [2020-10-12 16:46:42,846 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product27.cil.c [2020-10-12 16:46:42,856 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:46:42,870 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:46:42,884 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:46:42,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:46:42,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:46:42,918 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:46:42,918 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:46:42,918 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:46:42,918 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:46:42,918 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:46:42,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:46:42,969 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states. [2020-10-12 16:46:43,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 16:46:43,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:46:43,005 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-12 16:46:43,005 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:46:43,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:46:43,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1054134663, now seen corresponding path program 1 times [2020-10-12 16:46:43,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:46:43,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1629048757] [2020-10-12 16:46:43,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:46:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:43,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:43,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:43,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:44,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:44,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:48,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:48,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-12 16:46:48,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:46:48,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5089 [2020-10-12 16:46:48,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:48,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:46:48,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-12 16:46:48,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:46:48,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:46:49,830 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:46:49,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:46:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:49,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:49,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:49,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:46:49,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:49,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 16:46:49,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:46:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:46:49,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:49,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:46:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:49,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:49,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:49,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:46:49,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:49,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:46:49,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:49,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:46:49,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:49,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:46:49,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:49,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:46:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:49,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:49,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:49,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:46:49,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:49,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:46:49,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:46:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:46:49,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:49,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:46:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:49,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:49,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:49,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:46:49,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:49,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:46:49,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:49,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:46:49,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:49,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:46:49,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:49,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:46:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:49,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:49,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:49,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:46:49,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:49,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:46:49,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:49,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:46:49,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:49,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:46:49,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:49,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:46:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:49,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:49,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:49,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:46:49,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:49,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:46:49,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:49,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:46:49,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:49,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:46:49,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:50,175 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 16:46:50,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:46:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:50,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:50,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:50,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:50,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:55,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:55,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 16:46:55,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:46:55,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-12 16:46:55,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:55,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:46:55,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 16:46:55,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 16:46:55,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:55,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:46:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:55,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:55,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:55,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:55,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:56,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:56,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:46:56,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:46:56,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 638 [2020-10-12 16:46:56,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:56,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:46:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:46:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:46:56,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:46:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:56,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:56,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:56,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:56,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:46:56,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:46:56,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:46:56,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:46:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:46:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:46:56,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:46:56,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:46:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:56,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:56,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:56,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:56,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:56,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:46:56,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:46:56,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-12 16:46:56,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:46:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:46:56,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:46:56,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:56,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:46:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:56,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:56,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:56,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:46:56,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:56,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:46:56,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:56,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:46:56,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:56,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:46:56,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:56,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:46:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:56,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:56,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:56,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:57,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:01,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:01,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-12 16:47:01,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:47:01,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 16:47:01,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:01,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:47:01,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 16:47:01,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 16:47:01,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:01,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:01,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:01,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:01,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 16:47:04,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:47:04,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3131 [2020-10-12 16:47:04,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:47:04,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 16:47:04,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 16:47:04,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:47:04,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 16:47:04,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:47:04,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 16:47:04,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:47:04,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:47:04,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:47:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:47:04,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:47:04,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:47:04,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:47:04,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:47:04,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:47:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:04,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:47:04,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:47:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:47:04,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:47:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:47:04,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 16:47:04,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:47:04,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 16:47:04,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:47:04,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:47:04,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:47:04,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:04,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:47:04,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:47:04,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:04,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:04,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:47:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:04,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:47:04,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:04,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:04,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:47:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:47:04,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:47:04,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:47:04,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:47:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:47:04,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:05,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:47:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:05,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:05,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:05,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:47:05,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:05,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:47:05,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 16:47:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:05,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:47:05,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:05,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:05,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:05,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:05,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:05,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:47:05,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:05,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:05,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:05,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:05,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:47:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 16:47:05,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1629048757] [2020-10-12 16:47:05,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:47:05,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 16:47:05,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711239823] [2020-10-12 16:47:05,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 16:47:05,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:47:05,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 16:47:05,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2020-10-12 16:47:05,211 INFO L87 Difference]: Start difference. First operand 786 states. Second operand 25 states. [2020-10-12 16:47:06,880 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:47:07,803 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:47:08,552 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:47:09,566 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:47:10,320 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:47:11,343 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:47:13,767 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:47:14,529 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:47:15,344 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:47:16,459 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:47:17,268 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:47:18,009 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:47:18,810 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:47:19,589 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:47:21,088 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 404 DAG size of output: 400 [2020-10-12 16:47:22,596 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 404 DAG size of output: 395 [2020-10-12 16:47:23,409 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:47:24,011 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 132 [2020-10-12 16:47:24,283 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:47:25,119 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 16:47:26,656 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 406 DAG size of output: 397 [2020-10-12 16:47:27,007 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:47:28,545 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 408 DAG size of output: 399 [2020-10-12 16:47:30,053 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:47:31,067 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:47:31,858 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:47:34,688 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 407 DAG size of output: 398 [2020-10-12 16:47:38,322 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:47:41,501 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 407 DAG size of output: 398 [2020-10-12 16:47:42,380 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 129 [2020-10-12 16:47:44,729 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:47:46,539 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 16:47:47,969 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 129 [2020-10-12 16:47:49,107 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:47:52,868 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 117 [2020-10-12 16:47:53,160 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 114 [2020-10-12 16:47:54,927 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:47:55,330 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 16:47:56,317 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:47:57,148 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:47:58,572 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:47:59,801 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 16:48:00,208 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:48:01,265 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:48:02,174 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:48:04,126 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:48:04,928 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:48:05,916 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:48:12,542 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:48:13,036 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:48:13,187 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:48:14,389 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:48:17,008 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 405 DAG size of output: 398 [2020-10-12 16:48:21,962 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:48:28,925 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 403 DAG size of output: 399 [2020-10-12 16:48:34,634 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 408 DAG size of output: 399 [2020-10-12 16:48:44,192 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 16:48:44,670 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 127 [2020-10-12 16:48:45,170 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 112 [2020-10-12 16:48:52,855 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 16:48:53,526 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:49:16,748 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:49:36,291 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 398 DAG size of output: 396 [2020-10-12 16:49:43,695 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 16:50:30,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:50:30,825 INFO L93 Difference]: Finished difference Result 7353 states and 14900 transitions. [2020-10-12 16:50:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2020-10-12 16:50:30,827 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 133 [2020-10-12 16:50:30,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:50:30,945 INFO L225 Difference]: With dead ends: 7353 [2020-10-12 16:50:30,945 INFO L226 Difference]: Without dead ends: 6505 [2020-10-12 16:50:30,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10096 ImplicationChecksByTransitivity, 47.9s TimeCoverageRelationStatistics Valid=3217, Invalid=23189, Unknown=0, NotChecked=0, Total=26406 [2020-10-12 16:50:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6505 states. [2020-10-12 16:50:32,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6505 to 3117. [2020-10-12 16:50:32,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3117 states. [2020-10-12 16:50:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 5038 transitions. [2020-10-12 16:50:32,162 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 5038 transitions. Word has length 133 [2020-10-12 16:50:32,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:50:32,163 INFO L479 AbstractCegarLoop]: Abstraction has 3117 states and 5038 transitions. [2020-10-12 16:50:32,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 16:50:32,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 5038 transitions. [2020-10-12 16:50:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-12 16:50:32,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:50:32,185 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-12 16:50:32,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:50:32,185 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:50:32,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:50:32,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1456056952, now seen corresponding path program 1 times [2020-10-12 16:50:32,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:50:32,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175964676] [2020-10-12 16:50:32,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:50:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:32,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:32,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking...