/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 10:26:42,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 10:26:42,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 10:26:42,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 10:26:42,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 10:26:42,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 10:26:42,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 10:26:42,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 10:26:42,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 10:26:42,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 10:26:42,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 10:26:42,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 10:26:42,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 10:26:42,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 10:26:42,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 10:26:42,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 10:26:42,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 10:26:42,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 10:26:42,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 10:26:42,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 10:26:42,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 10:26:42,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 10:26:42,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 10:26:42,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 10:26:42,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 10:26:42,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 10:26:42,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 10:26:42,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 10:26:42,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 10:26:42,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 10:26:42,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 10:26:42,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 10:26:42,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 10:26:42,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 10:26:42,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 10:26:42,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 10:26:42,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 10:26:42,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 10:26:42,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 10:26:42,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 10:26:42,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 10:26:42,306 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 [2020-10-29 10:26:42,332 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 10:26:42,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 10:26:42,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 10:26:42,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 10:26:42,334 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 10:26:42,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 10:26:42,335 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 10:26:42,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 10:26:42,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 10:26:42,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 10:26:42,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 10:26:42,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 10:26:42,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 10:26:42,336 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 10:26:42,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 10:26:42,337 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 10:26:42,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 10:26:42,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 10:26:42,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 10:26:42,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 10:26:42,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 10:26:42,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 10:26:42,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 10:26:42,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 10:26:42,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 10:26:42,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 10:26:42,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 10:26:42,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 10:26:42,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 10:26:42,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 10:26:42,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 10:26:42,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 10:26:42,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 10:26:42,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 10:26:42,719 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 10:26:42,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product26.cil.c [2020-10-29 10:26:42,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6eaf9b58/a172fbf95a4e44809a4041c258d19190/FLAG012e3e292 [2020-10-29 10:26:43,603 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 10:26:43,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product26.cil.c [2020-10-29 10:26:43,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6eaf9b58/a172fbf95a4e44809a4041c258d19190/FLAG012e3e292 [2020-10-29 10:26:43,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6eaf9b58/a172fbf95a4e44809a4041c258d19190 [2020-10-29 10:26:43,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 10:26:43,809 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 10:26:43,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 10:26:43,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 10:26:43,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 10:26:43,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:26:43" (1/1) ... [2020-10-29 10:26:43,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fe97eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:26:43, skipping insertion in model container [2020-10-29 10:26:43,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:26:43" (1/1) ... [2020-10-29 10:26:43,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 10:26:43,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 10:26:44,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:26:44,629 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 10:26:44,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:26:44,825 INFO L208 MainTranslator]: Completed translation [2020-10-29 10:26:44,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:26:44 WrapperNode [2020-10-29 10:26:44,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 10:26:44,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 10:26:44,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 10:26:44,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 10:26:44,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:26:44" (1/1) ... [2020-10-29 10:26:44,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:26:44" (1/1) ... [2020-10-29 10:26:44,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:26:44" (1/1) ... [2020-10-29 10:26:44,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:26:44" (1/1) ... [2020-10-29 10:26:44,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:26:44" (1/1) ... [2020-10-29 10:26:44,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:26:44" (1/1) ... [2020-10-29 10:26:45,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:26:44" (1/1) ... [2020-10-29 10:26:45,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 10:26:45,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 10:26:45,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 10:26:45,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 10:26:45,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:26:44" (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 [2020-10-29 10:26:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 10:26:45,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 10:26:45,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 10:26:45,100 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 10:26:45,101 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 10:26:45,101 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-29 10:26:45,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-29 10:26:45,102 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-29 10:26:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-29 10:26:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-29 10:26:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-29 10:26:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-29 10:26:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-29 10:26:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-29 10:26:45,106 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-29 10:26:45,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 10:26:45,107 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-29 10:26:45,107 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-29 10:26:45,107 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-29 10:26:45,107 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 10:26:45,108 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-29 10:26:45,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 10:26:45,108 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 10:26:45,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 10:26:45,113 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-29 10:26:45,113 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-29 10:26:45,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-29 10:26:45,113 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-29 10:26:45,114 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-29 10:26:45,114 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-29 10:26:45,114 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-29 10:26:45,114 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-29 10:26:45,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-29 10:26:45,114 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-29 10:26:45,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-29 10:26:45,115 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-29 10:26:45,115 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-29 10:26:45,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-29 10:26:45,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-29 10:26:45,115 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-29 10:26:45,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-29 10:26:45,115 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-29 10:26:45,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-29 10:26:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-29 10:26:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-29 10:26:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-29 10:26:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-29 10:26:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2020-10-29 10:26:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 10:26:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2020-10-29 10:26:45,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-29 10:26:45,117 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-29 10:26:45,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 10:26:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 10:26:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 10:26:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 10:26:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 10:26:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 10:26:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-29 10:26:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-29 10:26:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-29 10:26:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-29 10:26:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-29 10:26:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-29 10:26:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-29 10:26:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-29 10:26:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-29 10:26:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-29 10:26:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-29 10:26:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 10:26:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 10:26:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 10:26:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 10:26:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 10:26:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-29 10:26:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-29 10:26:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 10:26:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 10:26:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 10:26:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 10:26:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 10:26:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-29 10:26:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-29 10:26:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-29 10:26:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 10:26:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 10:26:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-29 10:26:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-29 10:26:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 10:26:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-29 10:26:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-29 10:26:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-29 10:26:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-29 10:26:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-29 10:26:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 10:26:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-29 10:26:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-29 10:26:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-29 10:26:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-29 10:26:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-29 10:26:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-29 10:26:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-29 10:26:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-29 10:26:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-29 10:26:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-29 10:26:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 10:26:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-29 10:26:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 10:26:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 10:26:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 10:26:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 10:26:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 10:26:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 10:26:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 10:26:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-29 10:26:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-29 10:26:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-29 10:26:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-29 10:26:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-29 10:26:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-29 10:26:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-29 10:26:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-29 10:26:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-29 10:26:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-29 10:26:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-29 10:26:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-29 10:26:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-29 10:26:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-29 10:26:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-29 10:26:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-29 10:26:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-29 10:26:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-29 10:26:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-29 10:26:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-29 10:26:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-29 10:26:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-29 10:26:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-29 10:26:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-29 10:26:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-29 10:26:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-29 10:26:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-29 10:26:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2020-10-29 10:26:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-29 10:26:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-29 10:26:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2020-10-29 10:26:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-29 10:26:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 10:26:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 10:26:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 10:26:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 10:26:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 10:26:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 10:26:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 10:26:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 10:26:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 10:26:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 10:26:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 10:26:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 10:26:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 10:26:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 10:26:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 10:26:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-29 10:26:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 10:26:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 10:26:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 10:26:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 10:26:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 10:26:47,754 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 10:26:47,755 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-29 10:26:47,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:26:47 BoogieIcfgContainer [2020-10-29 10:26:47,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 10:26:47,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 10:26:47,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 10:26:47,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 10:26:47,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 10:26:43" (1/3) ... [2020-10-29 10:26:47,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31da2bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:26:47, skipping insertion in model container [2020-10-29 10:26:47,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:26:44" (2/3) ... [2020-10-29 10:26:47,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31da2bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:26:47, skipping insertion in model container [2020-10-29 10:26:47,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:26:47" (3/3) ... [2020-10-29 10:26:47,767 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product26.cil.c [2020-10-29 10:26:47,778 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 10:26:47,784 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 10:26:47,798 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 10:26:47,831 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 10:26:47,831 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 10:26:47,831 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 10:26:47,831 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 10:26:47,831 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 10:26:47,831 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 10:26:47,832 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 10:26:47,832 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 10:26:47,868 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states. [2020-10-29 10:26:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-29 10:26:47,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:26:47,885 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] [2020-10-29 10:26:47,886 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]=== [2020-10-29 10:26:47,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:26:47,892 INFO L82 PathProgramCache]: Analyzing trace with hash 593560085, now seen corresponding path program 1 times [2020-10-29 10:26:47,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:26:47,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252854045] [2020-10-29 10:26:47,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:26:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:48,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:48,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:50,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:50,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:53,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:53,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 10:26:53,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:26:53,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5074 [2020-10-29 10:26:53,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:53,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:53,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 10:26:53,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:26:53,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 10:26:53,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-29 10:26:54,573 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:26:54,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:26:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:54,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:54,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:54,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:54,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:54,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-29 10:26:54,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:54,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:54,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:54,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:54,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:26:54,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:54,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:26:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:54,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:54,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:54,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:26:54,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:54,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:26:54,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:54,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:26:54,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:26:54,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:26:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:54,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:54,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:54,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:26:54,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:54,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:26:54,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:54,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:54,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:54,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:54,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:26:54,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:54,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:26:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:54,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:54,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:54,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:54,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:54,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:26:54,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:54,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:54,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:26:54,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:54,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:26:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:54,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:54,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:54,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:26:54,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:54,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:26:54,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:54,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:26:54,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,056 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-29 10:26:55,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:26:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:55,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:55,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 10:26:55,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:55,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 10:26:55,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:55,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 10:26:55,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:26:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:55,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:55,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:55,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:55,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:26:55,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:55,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:55,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:55,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:55,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:55,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 10:26:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:55,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:55,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:26:55,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:26:55,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 405 [2020-10-29 10:26:55,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:55,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:55,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 10:26:55,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:26:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:55,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:55,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:26:55,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:55,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:55,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:55,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:55,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:26:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:55,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:55,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:26:55,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:55,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 10:26:55,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:55,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:55,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:55,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:55,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:55,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:26:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:55,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:55,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:26:55,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:55,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:26:55,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:55,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:55,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:55,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 10:26:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:55,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:55,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 10:26:55,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:55,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 10:26:55,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:55,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 10:26:55,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:26:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:55,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:55,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:55,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:55,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:55,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:55,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:55,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:55,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:26:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:55,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:55,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:55,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:55,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:55,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:55,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:55,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:55,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:55,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:55,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 10:26:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:55,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:55,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:55,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:55,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:26:55,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:55,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:55,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:55,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:55,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:26:55,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 10:26:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:55,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:55,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:55,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:55,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:55,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:55,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:26:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:55,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:26:55,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252854045] [2020-10-29 10:26:55,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:26:55,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 10:26:55,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076741611] [2020-10-29 10:26:55,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 10:26:55,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:26:55,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 10:26:55,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-29 10:26:55,912 INFO L87 Difference]: Start difference. First operand 801 states. Second operand 8 states. [2020-10-29 10:26:57,749 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-29 10:26:58,148 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:26:59,285 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-29 10:27:00,024 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-29 10:27:01,418 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:27:06,360 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-29 10:27:28,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:27:28,772 INFO L93 Difference]: Finished difference Result 2322 states and 4093 transitions. [2020-10-29 10:27:28,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 10:27:28,775 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-29 10:27:28,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:27:28,820 INFO L225 Difference]: With dead ends: 2322 [2020-10-29 10:27:28,821 INFO L226 Difference]: Without dead ends: 1675 [2020-10-29 10:27:28,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2020-10-29 10:27:28,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2020-10-29 10:27:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1154. [2020-10-29 10:27:29,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2020-10-29 10:27:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1879 transitions. [2020-10-29 10:27:29,463 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1879 transitions. Word has length 94 [2020-10-29 10:27:29,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:27:29,464 INFO L481 AbstractCegarLoop]: Abstraction has 1154 states and 1879 transitions. [2020-10-29 10:27:29,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 10:27:29,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1879 transitions. [2020-10-29 10:27:29,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-29 10:27:29,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:27:29,484 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:27:29,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 10:27:29,485 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]=== [2020-10-29 10:27:29,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:27:29,486 INFO L82 PathProgramCache]: Analyzing trace with hash 245365809, now seen corresponding path program 1 times [2020-10-29 10:27:29,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:27:29,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471352031] [2020-10-29 10:27:29,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:27:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:29,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:29,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:30,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:30,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:31,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:31,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:32,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:33,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:34,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:34,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-29 10:27:34,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 10:27:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-29 10:27:34,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:34,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 10:27:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-29 10:27:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-29 10:27:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:35,550 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:27:35,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:27:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:35,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:35,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:35,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:27:35,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:35,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-29 10:27:35,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:35,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:35,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:35,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:35,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:35,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:35,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:27:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:35,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:35,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:35,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:27:35,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:35,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:35,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:35,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:35,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:35,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:35,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:35,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:35,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:27:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:35,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:35,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:35,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:27:35,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:35,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:35,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:35,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:35,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:35,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:35,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:35,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:35,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:27:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:35,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:35,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:35,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:27:35,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:35,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:35,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:35,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:35,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:35,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:27:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:35,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:35,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:35,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:27:35,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:35,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:35,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:35,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:35,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:35,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:35,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:35,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:35,959 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-29 10:27:35,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:27:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:35,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:36,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 10:27:36,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:36,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 10:27:36,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:36,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:36,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:27:36,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:36,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:27:36,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:36,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:27:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:36,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:36,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:27:36,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:36,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 10:27:36,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:36,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:27:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:27:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:36,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 10:27:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:36,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:36,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:27:36,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:27:36,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-29 10:27:36,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:36,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:36,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:27:36,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:36,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 10:27:36,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:36,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:27:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:36,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:36,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:27:36,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:36,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:36,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:36,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:36,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:36,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:36,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:36,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:36,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:27:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:36,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:36,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:27:36,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:36,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:27:36,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:36,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:36,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:36,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:36,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:36,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:36,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:27:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:36,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:36,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:27:36,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:36,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:36,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:36,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:36,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:36,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:36,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 10:27:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:36,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:36,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 10:27:36,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:27:36,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:36,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:27:36,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:36,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 10:27:36,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:36,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:27:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:36,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:36,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:27:36,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:36,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:27:36,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:36,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:36,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:36,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:27:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:36,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:36,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:27:36,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:36,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:36,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:36,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:36,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:36,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 10:27:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:36,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:36,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:27:36,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:36,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:36,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:36,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:27:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:27:36,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:36,882 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-29 10:27:36,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 10:27:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:36,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:36,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:37,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:37,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:39,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:39,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:41,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:41,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 10:27:41,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 10:27:41,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 10:27:41,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:41,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:27:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 10:27:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 10:27:41,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:27:41,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:27:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:41,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:41,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:41,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:27:41,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:41,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:27:41,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:41,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:41,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:27:41,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:41,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 10:27:41,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:41,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:27:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:41,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:41,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:41,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:27:41,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:41,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:41,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:41,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:41,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:41,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 10:27:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:41,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:41,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:41,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:27:41,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:41,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 10:27:41,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:41,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:27:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:27:41,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:42,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:27:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:42,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:42,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:42,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:42,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:27:42,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:27:42,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 10:27:42,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:42,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:42,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:27:42,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:42,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 10:27:42,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:42,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 10:27:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:42,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:42,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:42,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:27:42,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:42,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:42,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:42,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:27:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:42,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:42,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:27:42,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471352031] [2020-10-29 10:27:42,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:27:42,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 10:27:42,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326124205] [2020-10-29 10:27:42,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 10:27:42,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:27:42,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 10:27:42,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-29 10:27:42,133 INFO L87 Difference]: Start difference. First operand 1154 states and 1879 transitions. Second operand 13 states. [2020-10-29 10:27:44,614 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 406 DAG size of output: 405 [2020-10-29 10:27:45,772 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:27:47,215 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-29 10:27:48,246 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-29 10:27:49,764 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 10:27:53,485 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-29 10:27:54,082 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 150 [2020-10-29 10:27:54,710 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-10-29 10:28:17,813 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 10:28:21,000 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-29 10:28:32,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:28:32,403 INFO L93 Difference]: Finished difference Result 4439 states and 7856 transitions. [2020-10-29 10:28:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-29 10:28:32,404 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 126 [2020-10-29 10:28:32,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:28:32,444 INFO L225 Difference]: With dead ends: 4439 [2020-10-29 10:28:32,444 INFO L226 Difference]: Without dead ends: 3320 [2020-10-29 10:28:32,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=377, Invalid=1263, Unknown=0, NotChecked=0, Total=1640 [2020-10-29 10:28:32,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3320 states. [2020-10-29 10:28:33,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3320 to 2360. [2020-10-29 10:28:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2360 states. [2020-10-29 10:28:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 3813 transitions. [2020-10-29 10:28:33,377 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 3813 transitions. Word has length 126 [2020-10-29 10:28:33,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:28:33,378 INFO L481 AbstractCegarLoop]: Abstraction has 2360 states and 3813 transitions. [2020-10-29 10:28:33,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 10:28:33,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 3813 transitions. [2020-10-29 10:28:33,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-29 10:28:33,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:28:33,389 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:28:33,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 10:28:33,390 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]=== [2020-10-29 10:28:33,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:28:33,390 INFO L82 PathProgramCache]: Analyzing trace with hash 2008417114, now seen corresponding path program 1 times [2020-10-29 10:28:33,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:28:33,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233610099] [2020-10-29 10:28:33,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:28:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:33,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:33,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:33,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:34,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:34,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:35,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:35,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:38,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:38,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-29 10:28:38,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 10:28:38,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-29 10:28:38,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:38,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 10:28:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:28:38,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-29 10:28:38,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:39,470 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:28:39,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:28:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:39,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:39,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:39,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:28:39,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:39,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-29 10:28:39,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:39,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:28:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:28:39,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:39,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:28:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:39,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:39,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:39,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:28:39,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:39,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:28:39,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:39,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:28:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:28:39,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:39,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:28:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:39,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:39,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:39,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:28:39,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:39,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 10:28:39,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:39,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:39,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:28:39,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:39,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:28:39,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:39,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:28:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:39,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:39,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:39,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:28:39,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:39,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:28:39,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:39,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:39,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:28:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:28:39,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 10:28:39,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:28:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:39,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:39,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:39,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:28:39,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:39,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:28:39,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:39,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:28:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:28:39,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:39,945 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-29 10:28:39,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:28:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:39,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:39,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:39,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 10:28:39,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:39,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 10:28:39,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:39,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:28:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 10:28:39,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:40,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:28:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:40,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:40,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:28:40,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:40,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:28:40,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:40,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:28:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:28:40,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:40,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 10:28:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:40,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:40,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:28:40,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:28:40,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-10-29 10:28:40,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:40,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:40,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:28:40,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:40,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 10:28:40,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:40,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:28:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:40,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:40,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:28:40,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:40,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:28:40,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:40,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:40,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:28:40,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:40,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:28:40,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:40,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:28:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:40,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:40,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:28:40,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:40,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:28:40,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:40,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:40,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:28:40,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:40,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:28:40,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:40,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:28:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:40,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:40,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:28:40,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:40,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:28:40,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:40,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:28:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:28:40,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:40,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 10:28:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:40,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:40,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 10:28:40,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:40,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:28:40,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:40,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:40,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:28:40,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:40,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 10:28:40,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:40,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:28:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:40,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:40,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:28:40,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:28:40,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:40,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:28:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:28:40,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:40,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:28:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:40,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:40,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:28:40,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:40,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:28:40,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:40,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:40,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:28:40,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:40,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:28:40,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:40,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 10:28:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:40,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:40,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:28:40,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:40,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:28:40,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:40,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:40,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:28:40,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:40,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:28:40,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:40,824 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-29 10:28:40,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 10:28:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:40,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:40,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:41,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:41,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:45,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:45,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 10:28:45,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 10:28:45,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 10:28:45,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:45,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 10:28:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 10:28:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 10:28:45,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:28:45,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:28:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:45,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:45,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:45,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:28:45,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:45,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:28:45,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:45,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:28:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:28:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:45,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:28:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:45,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:45,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:45,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:28:45,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:28:45,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:45,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:28:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:28:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:45,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 10:28:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:45,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:45,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:45,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:45,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:28:45,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:28:45,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 10:28:45,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:45,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:28:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 10:28:45,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:45,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 10:28:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:45,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:45,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:45,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:28:45,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:45,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:28:45,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:45,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:28:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:28:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:28:45,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:46,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 10:28:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:46,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:46,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:46,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:46,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:28:46,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:28:46,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 10:28:46,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:46,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:28:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 10:28:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 10:28:46,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-29 10:28:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:28:46,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:28:46,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:28:46,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:28:46,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:28:46,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:28:46,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:28:46,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:28:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:28:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:28:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:28:46,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:28:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:28:46,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233610099] [2020-10-29 10:28:46,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:28:46,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-29 10:28:46,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702327845] [2020-10-29 10:28:46,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 10:28:46,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:28:46,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 10:28:46,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2020-10-29 10:28:46,202 INFO L87 Difference]: Start difference. First operand 2360 states and 3813 transitions. Second operand 18 states. [2020-10-29 10:28:48,221 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-29 10:28:49,523 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:28:51,173 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-29 10:28:52,765 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:28:52,981 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-29 10:28:53,171 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-29 10:28:54,055 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:28:54,925 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:28:55,484 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-29 10:28:56,381 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:28:56,614 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-29 10:28:57,917 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:28:59,262 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-29 10:29:00,321 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-29 10:29:01,066 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-29 10:29:02,223 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:29:02,580 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-29 10:29:02,913 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:29:03,379 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 10:29:03,827 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 10:29:03,998 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-29 10:29:05,135 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-29 10:29:06,603 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:29:08,470 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-29 10:29:11,053 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:29:11,975 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:29:12,789 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:29:13,146 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-29 10:29:13,422 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-29 10:29:15,223 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:29:16,197 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:29:16,527 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 10:29:31,481 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:29:33,604 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-29 10:29:36,351 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:29:36,574 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 10:29:36,805 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 10:29:37,684 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:29:38,537 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-29 10:29:41,253 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:29:42,619 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:29:46,010 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-29 10:29:46,396 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 10:29:48,860 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 10:29:49,058 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:29:50,015 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-29 10:29:50,309 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-29 10:29:52,146 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-29 10:29:52,367 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-29 10:29:52,859 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 10:29:53,295 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:30:06,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:30:06,116 INFO L93 Difference]: Finished difference Result 9776 states and 18278 transitions. [2020-10-29 10:30:06,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-10-29 10:30:06,117 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 131 [2020-10-29 10:30:06,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:30:06,188 INFO L225 Difference]: With dead ends: 9776 [2020-10-29 10:30:06,189 INFO L226 Difference]: Without dead ends: 7432 [2020-10-29 10:30:06,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3257 ImplicationChecksByTransitivity, 25.6s TimeCoverageRelationStatistics Valid=1507, Invalid=7805, Unknown=0, NotChecked=0, Total=9312 [2020-10-29 10:30:06,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7432 states. [2020-10-29 10:30:07,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7432 to 5324. [2020-10-29 10:30:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5324 states. [2020-10-29 10:30:07,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5324 states to 5324 states and 8630 transitions. [2020-10-29 10:30:07,721 INFO L78 Accepts]: Start accepts. Automaton has 5324 states and 8630 transitions. Word has length 131 [2020-10-29 10:30:07,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:30:07,722 INFO L481 AbstractCegarLoop]: Abstraction has 5324 states and 8630 transitions. [2020-10-29 10:30:07,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 10:30:07,722 INFO L276 IsEmpty]: Start isEmpty. Operand 5324 states and 8630 transitions. [2020-10-29 10:30:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-29 10:30:07,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:30:07,728 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:30:07,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 10:30:07,728 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]=== [2020-10-29 10:30:07,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:30:07,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1911855285, now seen corresponding path program 1 times [2020-10-29 10:30:07,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:30:07,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [863611566] [2020-10-29 10:30:07,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:30:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:07,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:07,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:08,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:08,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:08,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:08,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:12,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:12,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-29 10:30:12,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 10:30:12,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-10-29 10:30:12,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:12,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:12,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 10:30:12,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-29 10:30:12,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 10:30:12,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,046 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:30:14,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:30:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:30:14,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 10:30:14,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:30:14,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:30:14,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:30:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:30:14,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:30:14,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:30:14,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:30:14,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:30:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:30:14,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:30:14,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:30:14,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:30:14,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:30:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:30:14,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:30:14,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:30:14,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:30:14,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:30:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:30:14,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:30:14,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:30:14,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:30:14,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,297 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-29 10:30:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:30:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 10:30:14,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 10:30:14,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:30:14,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:30:14,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:30:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:30:14,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:30:14,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:30:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:30:14,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 10:30:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:30:14,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:30:14,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-29 10:30:14,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:30:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 10:30:14,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:30:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:30:14,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:30:14,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:30:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:30:14,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:30:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:30:14,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:30:14,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:30:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:30:14,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:30:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:30:14,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:30:14,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:30:14,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:30:14,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 10:30:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 10:30:14,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:30:14,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 10:30:14,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:30:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 10:30:14,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:30:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:30:14,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:30:14,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:30:14,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:30:14,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:30:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:30:14,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:30:14,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:30:14,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:30:14,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 10:30:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:14,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:14,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:30:14,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:30:14,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:30:14,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:30:14,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:30:14,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:30:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:30:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:30:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:30:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:30:14,975 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-29 10:30:14,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 10:30:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:30:15,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:15,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:15,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:15,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:30:15,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking...