/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:44:53,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:44:53,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:44:53,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:44:53,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:44:53,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:44:53,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:44:53,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:44:53,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:44:53,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:44:53,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:44:53,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:44:53,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:44:53,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:44:53,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:44:53,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:44:53,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:44:53,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:44:53,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:44:53,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:44:53,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:44:53,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:44:53,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:44:53,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:44:53,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:44:53,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:44:53,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:44:53,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:44:53,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:44:53,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:44:53,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:44:53,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:44:53,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:44:53,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:44:53,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:44:53,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:44:53,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:44:53,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:44:53,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:44:53,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:44:53,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:44:53,269 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 [2020-10-28 15:44:53,314 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:44:53,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:44:53,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:44:53,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:44:53,319 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:44:53,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:44:53,319 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:44:53,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:44:53,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:44:53,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:44:53,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:44:53,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:44:53,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:44:53,321 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:44:53,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:44:53,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:44:53,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:44:53,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:44:53,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:44:53,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:44:53,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:44:53,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:44:53,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:44:53,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:44:53,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:44:53,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:44:53,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:44:53,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:44:53,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:44:53,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:44:53,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:44:53,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:44:53,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:44:53,748 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:44:53,748 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:44:53,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c [2020-10-28 15:44:53,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/22fae5c8e/20c6c798d90743699f30d1866a16ed6d/FLAGc65a905d7 [2020-10-28 15:44:54,652 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:44:54,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c [2020-10-28 15:44:54,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/22fae5c8e/20c6c798d90743699f30d1866a16ed6d/FLAGc65a905d7 [2020-10-28 15:44:54,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/22fae5c8e/20c6c798d90743699f30d1866a16ed6d [2020-10-28 15:44:54,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:44:54,800 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:44:54,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:44:54,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:44:54,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:44:54,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:44:54" (1/1) ... [2020-10-28 15:44:54,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c0adbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:44:54, skipping insertion in model container [2020-10-28 15:44:54,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:44:54" (1/1) ... [2020-10-28 15:44:54,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:44:54,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:44:55,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:44:55,510 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:44:55,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:44:55,715 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:44:55,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:44:55 WrapperNode [2020-10-28 15:44:55,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:44:55,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:44:55,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:44:55,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:44:55,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:44:55" (1/1) ... [2020-10-28 15:44:55,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:44:55" (1/1) ... [2020-10-28 15:44:55,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:44:55" (1/1) ... [2020-10-28 15:44:55,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:44:55" (1/1) ... [2020-10-28 15:44:55,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:44:55" (1/1) ... [2020-10-28 15:44:55,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:44:55" (1/1) ... [2020-10-28 15:44:55,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:44:55" (1/1) ... [2020-10-28 15:44:55,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:44:55,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:44:55,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:44:55,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:44:55,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:44:55" (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 [2020-10-28 15:44:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:44:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:44:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:44:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:44:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-28 15:44:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-28 15:44:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:44:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:44:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:44:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-28 15:44:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:44:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:44:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-28 15:44:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:44:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:44:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:44:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:44:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:44:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:44:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:44:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:44:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:44:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:44:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:44:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:44:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:44:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:44:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:44:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:44:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:44:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:44:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-28 15:44:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:44:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-28 15:44:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:44:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:44:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-28 15:44:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-28 15:44:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:44:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:44:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:44:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:44:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:44:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:44:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:44:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:44:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:44:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:44:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:44:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:44:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:44:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:44:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:44:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:44:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:44:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:44:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:44:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:44:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:44:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:44:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:44:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:44:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:44:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:44:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:44:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:44:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:44:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:44:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:44:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:44:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:44:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:44:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:44:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:44:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:44:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:44:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:44:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:44:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:44:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:44:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:44:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:44:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:44:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:44:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:44:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:44:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:44:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:44:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:44:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-28 15:44:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-28 15:44:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:44:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:44:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:44:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:44:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:44:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:44:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:44:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:44:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:44:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:44:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:44:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:44:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:44:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:44:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:44:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:44:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:44:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:44:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:44:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-28 15:44:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-28 15:44:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-28 15:44:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:44:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-28 15:44:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:44:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:44:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:44:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:44:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:44:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:44:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:44:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:44:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:44:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:44:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:44:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-28 15:44:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-28 15:44:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:44:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:44:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:44:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:44:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:44:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:44:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:44:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:44:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:44:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:44:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:44:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:44:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:44:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:44:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:44:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:44:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:44:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:44:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:44:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:44:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:44:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:44:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:44:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:44:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:44:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:44:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:44:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:44:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:44:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:44:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:44:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:44:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:44:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:44:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:44:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:44:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:44:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:44:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:44:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:44:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:44:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:44:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:44:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:44:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:44:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:44:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:44:58,583 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:44:58,583 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:44:58,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:44:58 BoogieIcfgContainer [2020-10-28 15:44:58,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:44:58,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:44:58,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:44:58,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:44:58,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:44:54" (1/3) ... [2020-10-28 15:44:58,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28643196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:44:58, skipping insertion in model container [2020-10-28 15:44:58,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:44:55" (2/3) ... [2020-10-28 15:44:58,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28643196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:44:58, skipping insertion in model container [2020-10-28 15:44:58,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:44:58" (3/3) ... [2020-10-28 15:44:58,596 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product28.cil.c [2020-10-28 15:44:58,608 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:44:58,614 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:44:58,637 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:44:58,669 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:44:58,669 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:44:58,669 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:44:58,669 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:44:58,669 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:44:58,669 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:44:58,669 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:44:58,670 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:44:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states. [2020-10-28 15:44:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 15:44:58,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:44:58,722 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 15:44:58,723 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:44:58,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:44:58,730 INFO L82 PathProgramCache]: Analyzing trace with hash 2101434187, now seen corresponding path program 1 times [2020-10-28 15:44:58,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:44:58,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561161600] [2020-10-28 15:44:58,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:44:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:59,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:59,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:00,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:01,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:02,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:03,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:04,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:04,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 15:45:04,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:45:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 15:45:04,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:04,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:04,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 15:45:04,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 15:45:04,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 15:45:04,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:45:05,441 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:45:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:45:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:05,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:05,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:05,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:05,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:05,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 15:45:05,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:05,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:05,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:05,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:05,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:05,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:05,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:45:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:05,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:05,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:05,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:45:05,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:05,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:45:05,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:05,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:05,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:05,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:05,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:05,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:05,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:45:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:05,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:05,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:05,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:45:05,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:05,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:45:05,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:05,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:05,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:45:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:05,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:05,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:05,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:05,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:05,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:45:05,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:05,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:05,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:05,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:05,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:05,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:45:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:05,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:05,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:05,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:45:05,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:05,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:45:05,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:05,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:05,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:05,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:05,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:05,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:05,812 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:45:05,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:45:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:05,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:05,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:05,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:45:05,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:05,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 15:45:05,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:05,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:45:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:45:05,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:06,008 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:45:06,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:45:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:06,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:06,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:06,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:06,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 15:45:06,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:06,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:45:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:45:06,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:06,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:45:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:06,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:06,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:45:06,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:45:06,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-28 15:45:06,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:06,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:45:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:45:06,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:06,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:45:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:06,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:06,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:45:06,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:06,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:45:06,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:06,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:06,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:06,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:06,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:06,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:06,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:45:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:06,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:06,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:45:06,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:06,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 15:45:06,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:06,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:06,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:06,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:45:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:06,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:06,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:45:06,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:06,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:45:06,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:06,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:06,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:06,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:06,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:06,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:45:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:06,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:06,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 15:45:06,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:45:06,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-28 15:45:06,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:06,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:45:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 15:45:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 15:45:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:06,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:45:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:06,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:06,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:06,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:06,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:45:06,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:06,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:06,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:45:06,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:45:06,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 15:45:06,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:45:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:06,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:06,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:06,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:06,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:45:06,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:06,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:06,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:45:06,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:45:06,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:45:06,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:45:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:06,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:06,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:06,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:06,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:45:06,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:06,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:45:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:06,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:06,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 15:45:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:06,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:06,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:06,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:06,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:45:06,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:06,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:45:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:45:06,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561161600] [2020-10-28 15:45:06,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:45:06,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:45:06,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213119830] [2020-10-28 15:45:06,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:45:06,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:45:06,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:45:06,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:45:06,934 INFO L87 Difference]: Start difference. First operand 829 states. Second operand 12 states. [2020-10-28 15:45:09,475 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:45:10,182 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:45:11,351 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:45:13,427 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:45:14,678 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-28 15:45:14,958 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:45:15,209 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:45:16,964 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:45:23,595 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:45:24,295 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:45:25,871 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:45:26,146 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:45:26,393 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:45:27,342 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:45:28,107 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:45:29,027 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:45:30,733 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-28 15:45:31,084 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:45:34,509 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:45:35,551 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:45:38,155 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:46:31,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:46:31,950 INFO L93 Difference]: Finished difference Result 3444 states and 6190 transitions. [2020-10-28 15:46:31,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-28 15:46:31,954 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2020-10-28 15:46:31,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:46:32,026 INFO L225 Difference]: With dead ends: 3444 [2020-10-28 15:46:32,026 INFO L226 Difference]: Without dead ends: 2750 [2020-10-28 15:46:32,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=310, Invalid=1250, Unknown=0, NotChecked=0, Total=1560 [2020-10-28 15:46:32,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2020-10-28 15:46:32,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 2224. [2020-10-28 15:46:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2224 states. [2020-10-28 15:46:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 3776 transitions. [2020-10-28 15:46:32,954 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 3776 transitions. Word has length 94 [2020-10-28 15:46:32,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:46:32,955 INFO L481 AbstractCegarLoop]: Abstraction has 2224 states and 3776 transitions. [2020-10-28 15:46:32,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 15:46:32,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 3776 transitions. [2020-10-28 15:46:32,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 15:46:32,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:46:32,969 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 15:46:32,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:46:32,970 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:46:32,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:46:32,970 INFO L82 PathProgramCache]: Analyzing trace with hash 398447179, now seen corresponding path program 1 times [2020-10-28 15:46:32,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:46:32,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429182458] [2020-10-28 15:46:32,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:46:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:33,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:33,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:34,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:34,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:37,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:38,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:38,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 15:46:38,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:46:38,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-28 15:46:38,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:38,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:38,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:38,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-28 15:46:38,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 15:46:38,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:39,361 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:46:39,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:46:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:39,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:39,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:39,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:39,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:39,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-28 15:46:39,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:39,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:39,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:39,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:39,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:46:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:39,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:39,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:39,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:46:39,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:39,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:39,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:39,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:39,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:39,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:39,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:39,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:46:39,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:46:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:39,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:39,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:39,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:46:39,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:39,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:39,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:39,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:39,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:46:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:39,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:39,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:39,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:39,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:39,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:39,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:39,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:39,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:39,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:39,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:39,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:46:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:39,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:39,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:39,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:46:39,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:39,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:39,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:39,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:39,751 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:46:39,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:46:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:39,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:39,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:39,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:46:39,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:39,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 15:46:39,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:39,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:39,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:39,926 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:46:39,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:46:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:39,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:39,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:39,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:39,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:39,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:46:39,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:39,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:39,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:39,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:46:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:39,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:39,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:39,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:40,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:40,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:46:40,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:46:40,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-28 15:46:40,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:40,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:40,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:40,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:46:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:40,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:40,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:40,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:46:40,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:40,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:40,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:40,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:40,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:46:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:40,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:40,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:40,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:46:40,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:40,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:46:40,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:40,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:40,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:40,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:40,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:40,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:40,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:46:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:40,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:40,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:40,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:46:40,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:40,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:40,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:40,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:40,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:46:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:40,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:40,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:40,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 15:46:40,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:40,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:46:40,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:40,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:46:40,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:40,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:46:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:40,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:40,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:40,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:40,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:40,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:40,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:40,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:40,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:40,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:40,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:46:40,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:40,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:46:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:40,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:40,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:40,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:40,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:40,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:40,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:40,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:40,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:40,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:40,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:46:40,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:40,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:46:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:40,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:40,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:40,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:40,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:40,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:40,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:40,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:46:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:40,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 15:46:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:40,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:40,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:40,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:40,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:40,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:40,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:40,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:46:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:40,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:40,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:46:40,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [429182458] [2020-10-28 15:46:40,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:46:40,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:46:40,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973580713] [2020-10-28 15:46:40,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:46:40,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:46:40,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:46:40,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:46:40,464 INFO L87 Difference]: Start difference. First operand 2224 states and 3776 transitions. Second operand 8 states. [2020-10-28 15:46:41,972 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:46:42,377 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 15:46:43,174 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:46:44,700 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:46:45,546 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:46:47,537 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:46:51,661 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:47:18,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:47:18,130 INFO L93 Difference]: Finished difference Result 7511 states and 13887 transitions. [2020-10-28 15:47:18,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:47:18,131 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-28 15:47:18,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:47:18,184 INFO L225 Difference]: With dead ends: 7511 [2020-10-28 15:47:18,184 INFO L226 Difference]: Without dead ends: 5321 [2020-10-28 15:47:18,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-28 15:47:18,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5321 states. [2020-10-28 15:47:19,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5321 to 4124. [2020-10-28 15:47:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4124 states. [2020-10-28 15:47:19,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 4124 states and 7056 transitions. [2020-10-28 15:47:19,296 INFO L78 Accepts]: Start accepts. Automaton has 4124 states and 7056 transitions. Word has length 94 [2020-10-28 15:47:19,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:47:19,299 INFO L481 AbstractCegarLoop]: Abstraction has 4124 states and 7056 transitions. [2020-10-28 15:47:19,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:47:19,299 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states and 7056 transitions. [2020-10-28 15:47:19,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-28 15:47:19,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:47:19,303 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 15:47:19,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:47:19,304 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:47:19,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:47:19,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1976616834, now seen corresponding path program 1 times [2020-10-28 15:47:19,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:47:19,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712505736] [2020-10-28 15:47:19,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:47:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:19,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:19,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:19,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:24,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:24,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 15:47:24,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:47:24,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 15:47:24,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:24,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 15:47:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 15:47:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 15:47:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:25,628 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:47:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:47:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:25,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:25,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:25,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:25,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:25,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 15:47:25,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:25,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:25,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:25,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:47:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:25,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:25,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:25,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:47:25,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:25,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:47:25,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:25,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:25,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:25,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:47:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:25,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:25,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:25,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:47:25,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:25,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:47:25,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:25,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:25,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:25,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:25,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:25,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:25,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:47:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:25,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:25,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:25,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:25,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:25,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:25,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:25,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:25,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:25,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:25,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:25,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:25,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:47:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:25,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:25,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:25,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:47:25,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:25,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:47:25,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:25,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:25,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:25,934 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:47:25,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:47:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:25,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:25,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:25,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:47:25,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:25,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 15:47:25,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:25,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:25,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:25,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:25,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:47:25,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:26,119 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:47:26,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:26,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:26,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:26,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:26,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 15:47:26,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:26,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:47:26,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:26,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:47:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:26,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:26,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:47:26,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:47:26,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 399 [2020-10-28 15:47:26,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:26,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:26,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:26,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:26,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:47:26,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:26,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:26,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:26,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:47:26,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:26,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:26,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:26,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:26,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:26,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:26,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:26,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:26,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:47:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:26,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:26,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:47:26,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:26,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:47:26,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:26,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:26,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:26,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:26,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:26,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:26,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:47:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:26,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:26,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:47:26,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:26,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:47:26,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:26,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:26,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:26,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:47:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:26,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:26,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:47:26,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:26,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 15:47:26,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:26,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:47:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 15:47:26,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:47:26,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:26,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:26,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:26,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:26,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:26,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:47:26,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:26,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:26,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:26,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:26,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:26,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:47:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:26,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:26,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:26,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:26,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:26,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:26,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:26,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:26,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:26,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:47:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:26,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:26,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:47:26,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:26,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:47:26,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:26,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:47:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:47:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:26,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 15:47:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:26,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:26,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:26,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:26,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:26,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:26,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:47:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:26,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 15:47:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:26,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:26,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:26,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:26,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:26,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:47:26,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:26,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:26,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:26,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:47:26,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:26,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:47:26,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712505736] [2020-10-28 15:47:26,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:47:26,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:47:26,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136484411] [2020-10-28 15:47:26,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:47:26,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:47:26,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:47:26,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:47:26,903 INFO L87 Difference]: Start difference. First operand 4124 states and 7056 transitions. Second operand 12 states. [2020-10-28 15:47:29,117 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:47:29,576 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 15:47:31,327 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:47:32,675 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-28 15:47:32,988 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:47:33,470 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 150 [2020-10-28 15:47:34,681 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 15:47:38,954 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 15:47:40,326 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-28 15:47:45,051 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 15:47:46,116 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 15:47:58,644 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 15:48:03,629 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-28 15:48:03,945 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-28 15:48:14,089 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 15:48:36,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:48:36,767 INFO L93 Difference]: Finished difference Result 14228 states and 26806 transitions. [2020-10-28 15:48:36,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-28 15:48:36,769 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2020-10-28 15:48:36,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:48:36,865 INFO L225 Difference]: With dead ends: 14228 [2020-10-28 15:48:36,866 INFO L226 Difference]: Without dead ends: 10138 [2020-10-28 15:48:36,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=237, Invalid=819, Unknown=0, NotChecked=0, Total=1056 [2020-10-28 15:48:36,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10138 states. [2020-10-28 15:48:39,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10138 to 8119. [2020-10-28 15:48:39,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8119 states. [2020-10-28 15:48:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8119 states to 8119 states and 14267 transitions. [2020-10-28 15:48:39,676 INFO L78 Accepts]: Start accepts. Automaton has 8119 states and 14267 transitions. Word has length 98 [2020-10-28 15:48:39,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:48:39,678 INFO L481 AbstractCegarLoop]: Abstraction has 8119 states and 14267 transitions. [2020-10-28 15:48:39,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 15:48:39,679 INFO L276 IsEmpty]: Start isEmpty. Operand 8119 states and 14267 transitions. [2020-10-28 15:48:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 15:48:39,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:48:39,686 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 15:48:39,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:48:39,687 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:48:39,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:48:39,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1743135023, now seen corresponding path program 1 times [2020-10-28 15:48:39,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:48:39,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526607695] [2020-10-28 15:48:39,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:48:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:39,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:39,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:40,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:41,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking...